Ottoman Empire: Timeline, Sultans & Legacy Guide (2026)

Quick Answer: The Ottoman Empire was a Turkish imperial state that lasted from 1299 to 1922. It rose from a small Anatolian beylik (principality) to become a world power, controlling much of Southeast Europe, Western Asia, and North Africa. For travelers in Turkey, its legacy is most visible in Istanbul through magnificent mosques, opulent palaces like Topkapi, and the bustling Grand Bazaar. The Rise of the Ottoman Empire The story of the Ottoman Empire begins in the late 13th century in the town of Söğüt in northwest Anatolia. As the Seljuk Sultanate of Rum crumbled in the face of Mongol invasions, it left a power vacuum filled by smaller Turkish principalities known as beyliks. Among these was one led by a chieftain named Osman I. The Dream of Osman I As a guide, I love telling the foundational myth of the empire. Legend says that Osman had a dream in which a moon rose from the chest of a holy man and entered his own, from which a great tree then grew. This tree’s branches shaded the entire world, with rivers flowing from its roots and mountains supporting its trunk. This dream was interpreted as a divine sign that Osman and his descendants were destined to rule the world. Whether a literal dream or a powerful piece of political mythology, this story encapsulates the ambition that would fuel centuries of conquest. From these humble beginnings, Osman I (r. c. 1299-1326) and his successors began expanding their territory, chipping away at the weakening Byzantine Empire. The Golden Age: Conquest and Culture The Ottoman state evolved from a regional principality into a transcontinental empire over the next century and a half. This period was defined by two rulers who not only expanded the empire’s borders but also cemented its cultural and political identity. Mehmed the Conqueror and the Fall of Constantinople (1453) For centuries, the ultimate prize was Constantinople, the legendary capital of the Byzantine Empire. On May 29, 1453, after a 53-day siege, the 21-year-o