History
The Fall of Constantinople Explained

The pivotal 1453 event when the Ottoman Empire captured Constantinople, ending the Byzantine era and reshaping the course of world history.
What is it?
The Fall of Constantinople was the capture of the capital of the Byzantine Empire (the final remnant of the Roman Empire) by the invading Ottoman army on May 29, 1453. Led by the 21-year-old Sultan Mehmed II, the Ottoman forces besieged the city for 55 days. Despite its formidable defensive walls, the vastly outnumbered Byzantine defenders, led by Emperor Constantine XI Palaiologos, were ultimately overwhelmed. The conquest marked the definitive end of the Byzantine Empire, which had lasted for over a thousand years. Mehmed II made Constantinople the new capital of his burgeoning Ottoman Empire.
Why is it trending?
This event is a cornerstone of world history, often marking the end of the Middle Ages and the beginning of the early modern period. Its significance lies in the geopolitical shift it caused: the rise of the Ottoman Empire as a major world power and a direct threat to Christian Europe. The siege was also a landmark in military history, as the Ottomans' use of powerful cannons proved that traditional stone fortifications were becoming obsolete against new gunpowder technology. The event remains a subject of study for its profound impact on the balance of power between East and West.
How does it affect people?
The fall had immediate and long-lasting consequences. It severed major overland trade routes from Europe to Asia, such as the Silk Road, compelling European powers to seek new maritime routes and fueling the Age of Discovery. Many Greek scholars and artists fled the city, taking invaluable ancient knowledge and manuscripts with them to Western Europe, particularly Italy. This migration of intellect is considered a major catalyst for the Renaissance. For the inhabitants, the city was transformed into an Islamic capital, Istanbul, with churches like the Hagia Sophia converted into mosques. It established a significant Islamic power in Europe, reshaping cultural and religious landscapes for centuries.