The rise of the Ottomans is more than just a story of conquests, it is a story of faith, unity, and perseverance. As Muslims, the Ottomans believed strongly that their success depended on staying true to Islamic principles. They saw their surprising victories against larger foes as a fulfillment of Allah's promise to those who remain steadfast in belief. The Quran reminds us that worldly power and honor come only from God's will:

"Say, 'O Allah, Lord of Power! You give power to whom You will and take power from whom You will; You honor whom You will and humble whom You will. In Your Hand is all good. Indeed, You are over all things powerful.'" (Quran 3:26)

This verse underscores a core Muslim belief: kingdoms rise and fall only by Allah's decree. Muslims may draw moral lessons from the rise of the Ottomans, especially their use of Islamic institutions, scholars, courts, waqfs, mosques, and charitable works. At the same time, worldly success is not a blanket proof that every policy of a state was righteous; rulers and empires must still be judged by the Quran, the Sunnah, justice, and historical evidence. In this article, we will explore how Islamic faith and values shaped the Ottoman Empire's foundation, look at key events and figures in its early history, and reflect on lessons Muslims can learn today while remembering that the Ottomans, like all human societies, combined great achievements with real shortcomings.

Humble Beginnings in Anatolia

To understand the Ottomans' foundation, we need to picture the historical scene. In the 1200s, the Seljuk Sultanate of Rum in Anatolia, already separate from the earlier Great Seljuk Empire, was weakened after the Mongol victory at Kosedag in 1243 and came under heavy Ilkhanid Mongol influence. Anatolia was increasingly divided among many small beyliks (principalities) led by local Turkish rulers. To the west lay the Byzantine Empire, a Christian empire that had once been powerful but was now shrinking, especially after the Fourth Crusade and later internal struggles. In this chaotic frontier world, Osman Bey, traditionally described as the son of Ertugrul, led a small emirate near Byzantine territory. Ottoman tradition links his lineage to the Kayi branch of the Oghuz Turks, though modern historians note that the firm evidence for this tribal claim is late and debated. Osman's lands were modest at first, but their location on the Byzantine-Muslim frontier created opportunities for raids, alliances, settlement, and expansion as Byzantine control weakened.

Osman Gazi (as he is often called; gazi/ghazi means a warrior who participates in ghaza, frontier campaigning) proved to be a capable leader in a difficult borderland. Islamic language of jihad and ghaza was important to early Ottoman self-understanding, but historians also note that frontier life involved mixed motives: faith, defense, raiding, settlement, political alliance, and the search for security and land. In Sunni Islam, armed jihad is not lawless violence; it is regulated by legitimate authority, ethical limits, treaties, and the prohibition of treachery and intentional attacks on non-combatants. The early Ottomans' ghazi identity gave many warriors a sense of religious mission and helped attract other frontier fighters, but it should not be reduced to a simple story in which every campaign was purely spiritual or every opponent was treated the same.

Osman's first major recorded victory is usually connected with the Battle of Bapheus around 1302, where a Byzantine force was defeated near Nicomedia. The year 1299 is often used as a convenient founding date for the Ottoman state, but it was not necessarily a single formal declaration of independence; early Ottoman records are sparse, and the state emerged gradually from frontier leadership into a principality. Osman and his followers focused on Byzantine forts and towns in northwestern Anatolia, gaining territory, allies, and prestige over time. Ottoman chronicles portray Osman as pious, generous, and attached to scholars, and some local populations may indeed have preferred Ottoman rule because it could bring stronger order, negotiated tax arrangements, and protection after years of instability. Still, conditions varied from place to place, and it is better to speak of gradual consolidation and relative stability rather than to claim that all villagers uniformly experienced lower taxes and perfect justice.

Before we move on, let's look at who the early Ottoman leaders were and what they achieved in the foundation period. Each ruler built upon the last, expanding and strengthening the budding empire:

  • Osman I (Osman Gazi) - Reigned c. 1299-1324. Founder of the Ottoman state. United Turkish clans under his leadership and began conquering Byzantine territories in Anatolia, establishing the Ottomans as an independent emirate.
  • Orhan Gazi - Reigned 1324-1362. Osman's son, who captured the city of Bursa in 1326 and made it the first Ottoman capital. Orhan expanded into northwest Anatolia and even into Europe for the first time. He organized the state, built mosques and schools, and took the title of Sultan (ruler with authority) as the empire grew.
  • Murad I - Reigned 1362-1389. Son of Orhan. He expanded into the Balkans (southeastern Europe), capturing Adrianople (Edirne) which became the second capital. Murad built a multi-ethnic army and formed the elite Janissary corps. He was a brave warrior who died in battle (Kosovo, 1389). Under Murad, the Ottomans became a major power in both Asia and Europe.
  • Bayezid I - Reigned 1389-1402. Son of Murad I. Nicknamed "Yildirim" (Thunderbolt) for his speed in battle. He continued expansion and famously besieged Constantinople (the Byzantine capital) for the first time. However, Bayezid was defeated by the Central Asian conqueror Timur (Tamerlane) in 1402 and taken captive, leading to a temporary crisis.
  • (Interregnum) - 1402-1413. After Bayezid's defeat, his sons fought each other for the throne, in a period of civil war and weakness. This was a test for Ottoman survival.
  • Mehmed I - Reigned 1413-1421. Son of Bayezid. He reunified the empire after the civil war, restoring Ottoman power. Mehmed I is often credited with saving the empire from collapse. He repaired relations and re-established control over Anatolia and parts of the Balkans.
  • Murad II - Reigned 1421-1451. Son of Mehmed I. A capable ruler who faced numerous Crusades from Europe but managed to hold Ottoman ground. He further built up institutions, signed a famous peace at Segedin then returned to fight again when that peace was broken. Murad II voluntarily abdicated at one point to allow his young son to rule, but had to return to throne when enemies attacked.
  • Mehmed II (Mehmed the Conqueror) - First reign 1444-1446 (as a youth, briefly), then reigned 1451-1481. Son of Murad II. Conquered Constantinople in 1453, a monumental victory that marked a new era. Mehmed II transformed the Ottoman state into a true empire and earned the title "al-Fatih" (the Conqueror). He expanded the empire further and established Istanbul (Constantinople's new name) as the thriving imperial capital of the Ottoman Empire.

Each of these early rulers contributed to the foundation and rise of the Ottoman Empire. Their era (1299 to late 1400s) turned the Ottomans from a small frontier principality into a vast empire spanning Anatolia and southeastern Europe . Through it all, their guiding light was their Islamic faith, which influenced their laws, their governance, and even the way they treated their subjects and foes.

Faith and Foundation: Islamic Principles of Leadership

What set the Ottomans apart from many other kingdoms was how deeply they were guided by Islamic principles from the very start. Osman and his descendants did not see themselves as mere kings or conquerors; they viewed themselves as servants of Allah, entrusted with leadership to uphold justice and spread the faith. The Arabic term for a leader or ruler is "Imam" or "Khalifah" (caliph, meaning successor or representative). While the early Ottoman sultans did not immediately claim the title of Caliph, they behaved in line with the Islamic ideal of a just ruler. They knew the responsibility that Islam places on those in authority. Prophet Muhammad (ﷺ) taught that leadership is a trust and that a ruler must care sincerely for the people:

"All of you are shepherds, and each of you is responsible for his flock. The leader of the people is a guardian and is responsible for his subjects..." (Sahih Bukhari)

This famous hadith (Prophetic saying) reminds us that those in power must watch over their people like a shepherd cares for his sheep, with mercy, protection, and guidance. Early Ottoman rulers took this to heart. Osman and Orhan would consult religious scholars (the ulema) in making important decisions, ensuring their policies aligned with Shariah (Islamic law). They established justice in areas they ruled, often resolving disputes according to Islamic principles of fairness rather than favoritism.

One early example often mentioned is Orhan Gazi's capture of Bursa in 1326 after a long siege. Ottoman rule did not usually aim at exterminating the inhabitants of conquered cities; surrender terms, payment, protection, and incorporation were common tools of rule. Orhan made Bursa an early Ottoman capital and turned it into a center of Islamic life through mosques, markets, charitable works, and scholarly institutions. The first well-known Ottoman madrasa is usually associated with Iznik after its capture in 1331, while Bursa later became especially important for Ottoman religious and urban development. Existing Christian communities were generally allowed to continue communal worship under the protected status recognized in Islamic law, though conquest still brought real political subordination, taxes, and sometimes displacement. This mixture of Islamic institution-building and negotiated protection was connected to Quranic teachings on justice and responsibility:

"Allah has promised those among you who believe and do righteous deeds that He will surely grant them succession to authority in the land as He granted it to those before them, and that He will surely establish for them their religion which He has chosen for them and will surely give them security after their fear… They worship Me and do not associate anything with Me." (Quran 24:55)

This verse in Surah An-Nur gives believers hope that Allah grants security and authority when faith, worship, and righteousness are upheld. It is a general Quranic promise with conditions, not a certificate that any one dynasty is always approved by Allah. Pious Ottomans and later Muslim writers understandably saw early victories as signs of Allah's favor when accompanied by prayer, justice, charity, and service to Islam. But Muslims should avoid claiming with certainty that every victory came because a state perfectly fulfilled its duties. Another verse describes what believers should do when Allah gives them power:

"They are those who, if We establish them in the land, establish prayer and give zakah (charity), and enjoin what is right and forbid what is wrong. And with Allah rests the outcome of all affairs." (Quran 22:41)

Indeed, whenever the Ottomans gained new lands, they set up mosques for prayer and markets and systems for zakat/charity and welfare. For example, the Ottoman sultans founded many waqfs (charitable endowments) to support schools, hospitals, and soup kitchens for the poor. Orhan Gazi's establishment of a madrasa in Iznik in 1331 (after he took that city) is one instance of how they immediately worked to educate the population in Islam and serve the public good. By supporting religious education and charitable works, the Ottomans believed they were securing Allah's help for their state.

This strong faith-based governance did not make them inflexible or harsh; on the contrary, it often made them more merciful and wise rulers. The Quran teaches the Prophet Muhammad (ﷺ) and all believers to be just and gentle in leadership:

"It is by God's mercy that you are gentle to them; if you were harsh and hard-hearted, they would have fled from around you..." (Quran 3:159)

The Ottomans tried to emulate the Prophet's merciful leadership style. Many historical accounts describe Ottoman rulers forgiving rebellions after victory or incorporating former enemies into their administration, rather than taking revenge. They understood that winning hearts was as important as winning lands, a very Islamic concept of Dawah (inviting people by good conduct).

Their faith also gave them courage. They believed deeply in the Quranic promise that Allah helps those who stand up for His religion:

"O you who believe! If you support (the cause of) Allah, He will support you and plant your feet firmly." (Quran 47:7)

Facing powerful enemies, the early Ottomans often used Quranic recitation, du'a, sermons, and the presence of scholars to strengthen morale. Muslim rulers and soldiers were expected to seek help from Allah alone and to remember that victory is by His permission, not by numbers or weapons alone. Some Ottoman chronicles also mention rulers visiting the graves of revered scholars or awliya. In Sunni practice, visiting graves can be permissible for remembrance of death and making du'a to Allah for the deceased or for oneself, but seeking aid from the dead or treating graves as independent sources of victory is not acceptable. Framed correctly, the point is that Ottoman public culture linked warfare, prayer, scholarship, and reliance upon Allah. Faith was part of their moral armor, alongside organization, discipline, and military skill.

Prophet Muhammad (PBUH) also taught that a Muslim ruler who is just has a tremendous rank. In the famous hadith of the seven whom Allah will shade on the Day when there is no shade except His shade, the first person mentioned is a just ruler (Sahih Bukhari and Sahih Muslim). On the other hand, the Prophet (ﷺ) warned of the grave sin of betraying the trust of leadership:

"Any servant whom Allah puts in charge of people, and he dies while he is dishonest in his responsibilities to them, Allah will forbid Paradise for him." (Sahih Bukhari)

This serious warning would have been known to Ottoman rulers through scholars' teachings. It pressed upon them that if they were unjust or corrupt, not only would their empire suffer, but their hereafter would be in jeopardy. Of course, like all human rulers, not every Ottoman decision was perfect or every leader pious. But overall, in the foundation period, the ethos of the empire was shaped by these Islamic ideals of justice, charity, consultation, and service to God.

It is also notable that the Ottomans adopted and upheld Sunni Islam as the state's religious identity. Over time, especially in the classical period, the Ottoman state made the Hanafi school of law its main official legal framework, partly because Hanafi fiqh was already widespread among Turks and in many lands they governed. The other Sunni schools - Maliki, Shafi'i, and Hanbali - were still recognized as valid schools of Ahl al-Sunnah. In Arab provinces after the Ottoman expansion into Syria, Egypt, and the Hijaz, judges and scholars of other madhhabs continued to serve their communities in various ways, even while the central state leaned Hanafi in administration. This helped create a broad Sunni unity, though it should not be overstated: the empire did experience religious and political tensions, especially with the Safavid Shia state and with some heterodox movements in Anatolia. The important point is that the four Sunni madhhabs were not treated as rival religions, but as legitimate legal traditions within Islam.

Jihad and Expansion on the Path of God

From the outset, Ottoman expansion was closely connected to the language of jihad and ghaza, but these terms must be explained carefully. Jihad in Islam is a broad concept of striving for Allah's sake, and armed jihad has legal and ethical rules: it must be under legitimate authority, respect treaties, avoid treachery, and protect non-combatants. Classical Sunni jurists discussed both defensive warfare and state-led expansion under Islamic governance, but never as a license for chaos, cruelty, or forced conversion. Early Ottoman campaigns against Byzantines and neighboring powers were described in Ottoman memory as ghazawat (expeditions), and many warriors sincerely saw themselves as serving Islam. At the same time, historians debate the so-called ghazi thesis and emphasize that frontier expansion also involved politics, wealth, tribal competition, diplomacy, and local alliances. A fair Muslim reading can recognize religious motivation without denying the ordinary realities of medieval state-building.

But Islam sets clear rules and ethics for warfare. The Prophet Muhammad (ﷺ) and the righteous Caliphs after him showed by example that non-combatants should not be harmed, promises must be kept, and excessive cruelty is forbidden. The Ottomans, being devout Muslims, strove to follow these rules. A famous hadith shows how the Prophet (ﷺ) gave guidelines to Muslim armies:

"Narrated Ibn `Umar: A woman was found killed in one of the battles, so the Messenger of Allah (ﷺ) forbade the killing of women and children." (Sahih Bukhari)

This Prophetic order to avoid intentionally killing women and children, together with other Islamic rules on covenants and non-combatants, formed part of the ethical framework Muslim jurists taught to rulers and armies. In practice, Ottoman conduct varied, as is true of most premodern empires. Cities that surrendered by agreement were often spared general assault and received terms of protection. Cities taken by storm could suffer looting, captivity, and ransom according to the harsh military norms of the age and the legal discussions of the time. Constantinople in 1453 is an important example: many sources report a period of sack after the walls were breached, including enslavement and ransom of captives, before Mehmed II halted or regulated the disorder and began reorganizing the city. He later recognized the Orthodox Patriarchate and allowed Christian and Jewish communities to continue religious life under Ottoman authority, with jizya and other obligations. This was not modern equal citizenship, but it did create a durable system of protected communal life that was often more stable than annihilation or mass expulsion.

City names should also be handled carefully. Hudavendigar (often associated with Murad I as an honorific meaning lord or sovereign) was not simply a new name for Bursa meaning Gift of God. After 1453, the Ottomans used several names for Constantinople; Kostantiniyye remained common in official usage for centuries, while Istanbul was widely used in speech, and Islambol became a popular Islamic folk-etymological form meaning something like full of Islam. The Ottomans often retained administrators, craftsmen, tax systems, and local elites when useful, including non-Muslims who cooperated with the new order. Some towns did surrender voluntarily or negotiate terms because Ottoman rule could appear preferable to destructive siege, heavy local oppression, or political uncertainty, but this was due to a mixture of fear, calculation, diplomacy, and the reputation of Ottoman administration - not simply one uniform story of fairness.

Another factor in their expansion was discipline and innovation. The Ottoman army combined traditional cavalry (horseback) warriors with new tactics and technology (they were among the first to use cannons effectively in siege warfare). But beyond weaponry, their true strength came from belief and unity. Muslims are taught in the Quran:

"And hold firmly to the rope of Allah all together and do not become divided." (Quran 3:103)

Unity was key. Many other principalities failed because of infighting or lack of cohesion. The Ottomans, under strong leadership and a unifying religion, avoided serious splits (except the one civil war after Bayezid's defeat, which they overcame). They generally presented a united front against their enemies. the respect for authority in Islam helped. Muslims are encouraged to obey their leader in what is good:

"O you who have believed, obey Allah and obey the Messenger and those in authority among you." (Quran 4:59)

This principle meant the Ottoman soldiers and officials usually remained loyal to their Sultan (as long as he upheld Islam and justice). That loyalty and organization was a huge advantage over the more feudal Christian states where barons often betrayed kings, or the fragmented Muslim emirates who lacked coordination. The Ottoman Sultan was "Padishah" (emperor) but also seen as the guardian of Islam, so there was a spiritual obedience, not just political.

It is worth noting that Ottoman expansion did not mean that every conquered person was forced to become Muslim. The Quran states clearly: "There is no compulsion in religion" (Quran 2:256). Under Islamic rule, Jews and Christians were generally treated as protected communities with religious rights and legal obligations, including jizya for adult males in the categories to which it applied. Over the centuries, many people in parts of the Balkans and Anatolia did embrace Islam, but the causes were complex: sincere belief, contact with Muslim scholars and Sufi networks, social mobility, taxation, intermarriage, urbanization, and attachment to the Ottoman order all played roles. The devshirme system, by which Christian boys from some Balkan communities were levied, converted, trained, and used in the palace or Janissary corps, must not be presented as ordinary voluntary conversion; it was a coercive state practice, admired by some Ottoman officials for producing loyal servants but criticized by others and difficult to justify in simple terms of da'wah. Still, many former enemies and subject peoples did become participants in Ottoman society.

The Quranic passage often remembered when speaking about conquest is:

"When the victory of Allah has come and the conquest, and you see the people entering into the religion of Allah in multitudes, then exalt with praise of your Lord and ask forgiveness of Him. Indeed, He is ever Accepting of repentance." (Quran 110:1-3)

This surah was revealed concerning the victory granted to Prophet Muhammad (PBUH), especially the conquest of Makkah and the entry of Arab delegations into Islam. It can inspire Muslims to thank Allah after victory and seek forgiveness rather than become arrogant, but it should not be treated as a direct prediction that Ottoman conquests would cause mass conversion in the same way.

Justice, Tolerance, and Governance

The governance model the Ottomans developed in their early centuries was deeply influenced by Islamic concepts of justice ('adl) and consultation (shura). Once they conquered a region, the Ottomans tried to integrate it smoothly. They often left local customs in place as long as they didn't contradict Islam, and appointed local notables (even non-Muslims at times) to administrative positions under Ottoman oversight. The idea was to be just and balanced so that people would feel life was better under the new rule.

Islamic law (Shariah) was central to the Ottoman legal order, but the system also included qanun - sultanic administrative regulations concerning taxation, land, criminal administration, and state organization - which jurists and rulers tried to keep within the broad limits of Shariah. The Ottomans established courts run by qadis (Islamic judges), usually trained in Hanafi jurisprudence, who handled contracts, property, marriage, inheritance, endowments, and many disputes involving Muslims and non-Muslims. Christians and Jews also had communal religious authorities for many internal matters, especially family and ritual affairs, though qadi courts remained important and were often used by non-Muslims because their records carried state authority. The fully developed millet system was a later Ottoman arrangement, not a complete institution from the first decades. It drew on the Islamic concept of dhimmah, under which People of the Book could receive protection, worship rights, and communal continuity in return for loyalty to the state and payment of obligations such as jizya where applicable.

This relative tolerance was noteworthy in an age when religious persecution was common in many places. In 1492, Catholic Spain expelled Jews and soon placed severe pressure on Muslims as well. Sultan Bayezid II and Ottoman authorities welcomed large numbers of Sephardic Jews into Ottoman lands; reports that he sent ships and mocked Ferdinand for impoverishing Spain while enriching the Ottomans are famous, though the exact wording is reported in later historical memory and should be cited cautiously. Ottoman lands did become a refuge for many Jews and other displaced groups. Still, Ottoman tolerance was not modern religious equality: non-Muslims had protected but subordinate status, faced special taxes and legal distinctions, and the building or repair of churches and synagogues could be regulated or restricted depending on time and place. Even so, compared with forced conversion and expulsion in some contemporary European contexts, Ottoman rule often provided a more stable environment for Jewish and Christian communal life.

Administratively, the Ottomans combined Islamic governance with practical statecraft. The Divan functioned as a high council of viziers, military leaders, and officials advising the Sultan and managing imperial affairs. The office of Shaykh al-Islam became especially powerful in the later classical period; it issued fatwas and helped connect state policy to Sunni legal reasoning. It is too simple, however, to say that no major policy was valid merely because a scholar personally approved it, or that scholars always held an equal balance of power against the Sultan. In practice, the relationship between sultans, jurists, qadis, and administrators changed over time. A famous later figure, Abu al-Suud Efendi in the 16th century, worked with Sultan Suleiman to present Ottoman qanun in harmony with Shariah. In the foundation period, the institutions were still developing, but scholars and Islamic legitimacy were already important to Ottoman rule.

Justice also meant curbing oppression. The Ottomans set up checks against governors or officials mistreating the population. There are accounts of Sultans dismissing judges or governors after finding out they were unfair. The concept of Mazalim courts (where people could petition the Sultan directly for justice) was also present. Sultan Murad II, for instance, was said to have gone out among the people in disguise to hear if anyone had complaints of injustice. This echoes the practice of Caliph Umar ibn al-Khattab (RA) and other early Muslim rulers.

One classical Islamic principle about government is Shura, or mutual consultation. While the Ottomans were not a democracy, they did practice consultation in governance. Sultans would call councils of military leaders, provincial governors, and scholars to discuss state affairs, especially in times of war. The very decision to attempt the conquest of Constantinople was debated among advisors of Mehmed II, some were nervous due to many prior failures, but ultimately Mehmed's resolve and vision won them over. By consulting others, the Sultans often made wiser decisions and gained buy-in from different stakeholders in the empire.

The result of all these practices was that the Ottoman Empire, even in its early stages, enjoyed a reputation for order and justice. Muslim historians writing in that era, as well as Christian visitors who traveled to Ottoman lands, frequently commented on how secure the roads were, how prosperous the cities had become, and how loyal the populace generally was compared to other realms at the time . Of course, there were occasional rebellions or harsh measures (as happen in any state), but by and large the foundation period of the Ottoman Empire showed the world a successful model of an Islamic state that combined strength with justice. For devout Muslims, it was almost as if the Caliphate in a new form had been reborn in the north. The early Ottomans themselves didn't call themselves caliphs (the title was still held by the shadow Abbasid caliphs in Cairo until 1517), but people viewed the Ottoman Sultan as the practical leader of the Muslim world in areas they controlled. Eventually the Ottomans would inherit the Caliphate officially, but even before that, they felt a duty to protect Islam and Muslims everywhere they could reach.

Scholars, classical and modern, have often reflected on why the Ottomans succeeded where others failed. One classical scholar, Ibn Khaldun (1332-1406), who lived in North Africa around the same era, formulated a theory that new dynasties rise through strong social cohesion and belief (which he termed asabiyyah). He noted that often, groups inspired by religion and simple living overthrow more established, yet decadent powers. The Ottoman story fits this theory well: a hardy frontier people with deep faith overcoming an older, declining empire (Byzantium) and other principalities that lacked unity. Modern historians, like Halil Inalcik, also emphasize that the Ottomans were adept at blending religious idealism with pragmatism, they carried the banner of jihad, which attracted Muslim support, but they were also pragmatic in governance, co-opting local elites and skills from conquered lands . This combination of idealism and practicality was a key to their foundation's success.

The Conquest of Constantinople: Prophecy Fulfilled

No discussion of the Ottoman Empire's foundation is complete without highlighting the Conquest of Constantinople in 1453 by Sultan Mehmed II. This event was a turning point in Islamic history and in world history. Constantinople (today's Istanbul) had been the capital of the Eastern Roman (Byzantine) Empire for over a thousand years. Muslim armies had sought to conquer it since the time of the early Umayyad Caliphs. There is also a famous report attributed to Prophet Muhammad (PBUH) regarding this city. It is not in Sahih Bukhari or Sahih Muslim, and hadith scholars have discussed its chain; many later scholars accepted it as hasan or sahih, while others were more cautious. It should therefore be cited as a famous reported glad tiding, not with the same certainty as the most rigorously authenticated narrations. The report says:

"Surely, Constantinople shall be conquered. What a wonderful leader will her leader be, and what a wonderful army will that army be!" (Musnad Ahmad)

Many Muslims knew of this prophetic saying and yearned to be the ones to fulfill it. Several attempts were made over the centuries: the first Muslim siege of Constantinople was as early as 674 CE, and another major one in 717 CE by the Umayyads, and later attempts by others, but none succeeded. When young Sultan Mehmed II came to power, he was determined to achieve what so many before him could not. He was just 21 years old but was extremely well-educated, fluent in multiple languages, and mentored by great scholars like Akshamsaddin (who instilled in him spiritual devotion and confidence in the prophecy). Mehmed II prepared meticulously for the task, he built a fortress (Rumeli Hisari) on the Bosphorus to block aid to the city, trained an army of tens of thousands of soldiers, and gathered the latest weapons, including massive cannons to breach the ancient walls of Constantinople.

The siege of Constantinople in 1453 lasted about 53 days of intense fighting. The defending Byzantines were fierce, and initially the massive walls withheld the cannon fire. But Mehmed II's forces did not relent. By night, the Sultan would roam the camp ensuring his men's morale was high, reminding them of the honor of jihad and the reward Allah promises those who strive in His cause. The atmosphere in the Ottoman camp was charged with both zeal and hope, they believed this historic city's fall could be a sign of Islam's truth and the Prophet's (ﷺ) miraculous prophecy coming true in their time. There is an account of how, on the final night before the decisive assault, Mehmed II gathered his top generals and religious advisors. Together they made dua (supplication), and Sheikh Akshamsaddin recited verses of victory from the Quran to inspire the troops.

Finally, on May 29, 1453, the Ottomans breached the walls and Constantinople fell. Because the city was taken by storm rather than by negotiated surrender, contemporary and near-contemporary sources describe a period of looting, captivity, and ransom, as was common in many premodern sieges. Mehmed II then entered the city, asserted control, and converted the Hagia Sophia - the great church of Byzantine Christianity - into a mosque, where prayers were performed. This was a powerful symbol of Ottoman victory and Muslim rule, and Hagia Sophia remained a mosque for nearly five centuries. Mehmed also moved to stabilize the city: he recognized the Orthodox Patriarchate, encouraged repopulation, and allowed Christian and Jewish communities to continue under Ottoman authority. Many inhabitants had been killed, fled, or taken captive during the siege and sack, so the city had to be rebuilt demographically and economically; it did not become a flourishing, predominantly Muslim city overnight. Muslims across many lands rejoiced at the victory, and Sultan Mehmed became known as al-Fatih (the Conqueror). Some Muslim writers drew moral parallels with earlier Islamic conquests, but the conquest of Makkah by Prophet Muhammad (PBUH) remains unique in its Prophetic mercy and cannot be equated in every detail with a medieval imperial siege.

For the Ottomans themselves, 1453 was the moment they truly transformed from a regional power to a global empire. Istanbul became the new capital, a city that symbolized the meeting of East and West, and it soon grew into a center of Islamic culture, scholarship, and art. Mehmed II didn't stop with Constantinople; he continued to conquer throughout Anatolia and the Balkans, solidifying Ottoman dominance. He took the title "Kaysar-i-Rum" (Caesar of Rome), indicating he viewed the Ottoman Sultans as heirs not only to the Islamic caliphate tradition but also to the Roman-Byzantine imperial tradition. In other words, the Ottomans saw themselves as the legitimate successors to both, a unifier of the Muslim world and the inheritor of Eastern Rome's legacy.

From an Islamic perspective, what was most important is that Mehmed II and his successors committed to protecting and promoting Islam. Mosques, like the grand Fatih Mosque (built by Mehmed on the site of the Byzantine emperors' burial church), began dotting Istanbul's skyline. Institutions of learning (madrassas) were set up, drawing scholars from all over the Muslim world. With Constantinople's fall, the last significant bastion of Eastern Christianity had been absorbed, and the Ottomans could turn attention to other challenges, such as the advancing Catholic powers in the West and the rising Shia Muslim state of the Safavids in the East (that would be in the 1500s). But by conquering "** the city of Constantine**," the Ottomans cemented their legitimacy. They proved that despite being relatively latecomers on the stage of Islamic history, they were now at its forefront, almost like David vs. Goliath, they toppled a giant by Allah's support.

This conquest has ever since been a source of pride for Muslims. It also serves as a reminder of the Prophet Muhammad (ﷺ)'s truthfulness; how could a man in 7th-century Arabia predict the fall of a distant city that seemed impregnable for ages, unless he spoke with knowledge from Allah? The fulfillment of this prophecy is often cited in Islamic lectures as a proof of the Prophet's (ﷺ) prophethood and a sign of Allah's power. It is also significant that the hadith calls the conquering commander "blessed" or "wonderful." Sultan Mehmed II, despite being a young man, lived up to this praise by showing bravery, strategic genius, and magnanimity after victory. Even Western historians acknowledge that Mehmed's effective use of artillery and clever tactics were ahead of their time .

After Constantinople's conquest, the Ottoman Empire entered a new phase of expansion and golden age, but those developments stand on the firm foundation of faith that Osman, Orhan, Murad, and Mehmed II had laid. The empire would last for roughly another 470 years after 1453, reaching into Asia, Europe, and Africa. It would become known as the Khilafah Uthmaniyyah (Ottoman Caliphate) in later centuries when the Ottoman Sultans assumed the title of Caliph of the Muslim world.

Lessons and Legacy for Muslims Today

The story of the Ottoman Empire's foundation is not just a tale from the past, it carries many lessons and reminders for us as Muslims today. At its heart, the Ottomans' rise demonstrates how Islamic principles, when sincerely applied, can lead a community from weakness to strength. Here are a few key takeaways and how they affect us:

1. Faith and Reliance on Allah Lead to Success: The early Ottomans were vastly outnumbered and started with almost nothing. By worldly measures, they should have remained a minor tribe. But they had tawakkul (trust in Allah) and strong iman. They strove to make their society pleasing to Allah (establishing prayer, charity, justice) and in return Allah's help came in remarkable ways. For Muslims today, this is a powerful reminder: if we want to improve our condition, the recipe starts with improving our faith and connection to Allah. Worldly planning and strength are necessary too, but they are not enough on their own. We should ask ourselves, whether as individuals or as an ummah (global Muslim community), are we upholding Islam so that we deserve Allah's help? The Quran promises:

"O you who believe! If you help (the cause of) Allah, He will help you and make your foothold firm." (Quran 47:7)

This is as true today as ever. The Muslim world faces challenges, but the Ottoman example shows hope: Allah can raise us up again if we return to Him sincerely.

2. Unity is Strength: The Ottoman founders united various Turkish tribes and Muslim groups into one cause. They avoided internal divisions for a long time. This unity was a cornerstone of their strength. In contrast, many Muslim regions that were divided fell easily. Today, disunity is one of the main weaknesses of the Muslim ummah, whether it's political divisions, sectarian splits, or even local community infighting. Islam teaches us to be like a single body. The Ottomans managed to forge a broad Sunni Muslim unity (they brought together people of different madhhabs under one banner without conflict). Likewise, modern Muslims should focus on our common beliefs and goals rather than small differences. Our diversity in culture or school of thought can be a mercy, not a cause for fighting. The Quran's call to hold the rope of Allah together (3:103) should echo in our minds. If we unite on La ilaha illa Allah (there is no deity but Allah) and the love of Prophet Muhammad (ﷺ), we can overcome great odds, just as the Ottomans did.

3. Just Governance and Morality Attract Blessings: The early Ottomans were not perfect, but by and large they governed with justice and morality. What was the result? People of all faiths accepted them and even preferred their rule over previous tyrants. We often hear in modern times that religion should be kept out of governance, but the Ottoman experience (as well as other righteous caliphates) shows that Islamic governance (when implemented correctly) is beneficial for everyone, not just Muslims. It creates trust, loyalty, and prosperity. As Muslim citizens or leaders in any capacity today, we should aim to be just and moral, because justice is a universal language. Even non-Muslims appreciate a fair and honest Muslim leader. Many non-Muslim historians have credited the Ottomans' relatively light touch and fairness as reasons for their longevity . On a personal level, when we live by Islamic ethics (being truthful, kind, and fair) we attract others to the beauty of Islam. In that sense, each of us can do dawah by being a "just ruler" over whatever we are in charge of (be it our business, our household, or our own behavior).

4. Knowledge and Adaptability: The Ottomans valued knowledge. They learned from other cultures, adopted new military technologies, and trained in statecraft and sciences. Sultan Mehmed II himself was a learned man who loved books and invited scholars to his court. This thirst for ilm (knowledge) was very much in line with Islamic teachings ("Read! in the name of your Lord...", the first Quranic revelation). It gave the Ottomans an edge. As Muslims today, we should be at the forefront of education, science, and innovation, all while grounded in our faith. The early Muslims thrived when they combined religious knowledge with worldly knowledge. There's no reason the Muslim world cannot produce great scholars, scientists, and leaders like it once did; but we must invest in education and remain flexible to adapt to new circumstances, just as the Ottomans adapted from nomadic life to ruling cities, learning from others but filtering it through an Islamic lens.

5. Trust in Allah's Plan: Sometimes, Muslims may feel downhearted by current events, but history shows cycles of rise and fall. The Ottomans themselves went through defeats (like the devastating loss to Timur in 1402) that could have ended them. But they persevered and had hope in Allah's plan, and they bounced back stronger. In our lives, we might face setbacks, but we should never despair. Allah's support can come in unexpected ways. The Prophet (ﷺ) said, "Know that victory comes with patience, relief with affliction, and ease with hardship." The survival and eventual triumph of the Ottomans after their darkest hour illustrate this hadith well.

In conclusion, the foundation of the Ottoman Empire shows how Islamic faith, institutions, scholarship, charity, law, and communal identity could help transform a small frontier principality into a major world power. It is fair for Muslims to remember many Ottoman achievements with gratitude: defense of Muslim lands, support for mosques and madrasas, waqfs, courts, scholarship, and long periods of relative order. At the same time, history should not be used as a simplistic proof that material power always follows piety, nor that every Ottoman policy represented Islam perfectly. The Ottomans were human rulers: they achieved great things, made mistakes, and at times departed from justice. The Ottoman sultanate was abolished in 1922, and the Ottoman caliphate was abolished in 1924. That abolition ended the last widely recognized Sunni caliphal office, though the history of the caliphate before that was not one uninterrupted period of effective central leadership; at various times there were rival caliphates, symbolic caliphs, and regional Muslim powers.

That event left a void and perhaps contributed to some disarray in the Muslim world. As we move forward, many Muslims long for a return of strong, principled leadership like the Ottomans provided, leadership that unites Muslims, upholds justice, and invites the world to see the light of Islam. Whether or not a single caliphate is restored in our lifetime, we can all strive to embody the Ottoman spirit of faith, courage, and justice in our communities. Even on a smaller scale, every project or community built on Islamic values can succeed by Allah's will just as the Ottoman state once did on a grand scale.

The Quran beautifully sums up the rise and fall of nations in a way that the Ottomans surely felt was speaking about them:

"That home of the Hereafter We assign to those who do not seek exaltation on earth or corruption. And the [best] outcome is for the righteous." (Quran 28:83)

Ultimately, Allah gave the Ottomans honor as long as they sought not worldly glory for its own sake, but rather strove for His cause without spreading injustice (corruption). The moment any nation (Ottoman or otherwise) deviates into arrogance and injustice, they risk losing Allah's favor. So for us, the path is clear: if we want to move forward and reclaim our honor, we must return to piety, unity, and justice.

Let the Ottoman Empire's foundation be an inspiration. It shows that with strong iman, wise leadership, and commitment to Islamic principles, even the most ambitious goals can be achieved. From a tiny frontier beylik, they built an empire that was for centuries a shield for the Muslim ummah and a beacon of Islamic civilization. We ask Allah to grant the Muslim community leaders and hearts akin to those of the early Ottomans, leaders who are courageous, just, and God-fearing, and hearts that are filled with faith and brotherhood. If we have that, by Allah's grace, we can look forward to a future of revival and success, just as our forebears experienced in the past.

May Allah help us learn from history and guide us to apply these lessons in our lives today. Ameen.

Sources

No. Source
1 Finkel, Caroline. Osman's Dream: The History of the Ottoman Empire. New York: Basic Books, 2005.
2 Inalcik, Halil. The Ottoman Empire: The Classical Age, 1300-1600. London: Weidenfeld & Nicolson, 1973.
3 Goodwin, Jason. Lords of the Horizons: A History of the Ottoman Empire. New York: Henry Holt, 1998.
4 Alkhateeb, Firas. Lost Islamic History: Reclaiming Muslim Civilisation from the Past. London: Hurst Publishers, 2014.
5 Howard, Douglas. A History of the Ottoman Empire. Cambridge: Cambridge University Press, 2017.