How a small Anatolian principality transformed into a vast transcontinental empire across Asia
Starting as a minor beylik in northwest Anatolia, the Ottoman Empire expanded through centuries of calculated diplomacy and relentless warfare. From the conquest of rival Turkish principalities to intense conflicts with Safavid Persia and the Mamluks, the Ottomans reshaped the map of the Middle East until their dissolution in 1922.
The Ottoman Empire began in the early 14th century as a small principality in northwest Anatolia. While early rulers like Osman I focused on avoiding conflict with neighbors, his successors shifted toward aggressive expansion. Orhan initiated the first wars against other Turkish beyliks, and by the end of the 14th century, most had been incorporated into the Ottoman realm. This consolidation was briefly interrupted in 1402 when Bayezid I was defeated by Timur at the Battle of Ankara, though the Ottomans later reconquered these territories under Mehmed I, Murad II, and Mehmed II.
Expansion beyond Anatolia was driven by both strategic necessity and religious rivalry. Sultan Selim I, motivated by Mamluk support for Safavid Persia, launched a decisive campaign in 1516–18 that brought Syria, Palestine, Jordan, Lebanon, and Egypt under Ottoman control. Simultaneously, the empire engaged in a protracted struggle with the Safavids over East Anatolia and Iraq. Following the 1514 Battle of Chaldiran, these conflicts spanned decades, punctuated by treaties like the 1555 Treaty of Amasya and the 1639 Treaty of Zuhab, which established a lasting border between the Ottoman and Persian spheres.
The empire also projected power into the Indian Ocean and the Arabian Peninsula. In 1538, Suleyman I dispatched a navy that secured Aden and Yemen, while later, Piri Reis restored Ottoman dominance in the Red Sea by defeating a Portuguese fleet in 1548. Despite these successes, the empire faced significant challenges in its later years, including Napoleon Bonaparte’s 1798 invasion of Egypt and the eventual collapse following the First World War. By 1922, the Ottoman Empire ceased to exist, leaving behind the modern borders of the Turkish Republic as defined by the Treaty of Lausanne.
Source: Ottoman wars in Asia