Latest / The Rise of Colonialism: How Europe Divided the World — Fexingo History / The Fall of Constantinople 1453 and the Ottoman Conquest
Transcript
- Lucas: So, we've talked a lot about how European powers expanded overseas, but we haven't really looked at the event that arguably started it all—the fall of Constantinople in 1453. It's one of those dates that really does mark a turning point. Luna: Right, that's the Ottoman conquest, isn't it? The end of the Byzantine Empire. Lucas: Exactly. And it's not just a symbolic end. The city had been the crossroads of trade between Europe and Asia for centuries. When the Ottomans took it, they controlled the major land routes for spices and silk. That's a huge part of why Europeans started looking for sea routes—they needed a way around Ottoman control. Lucas: The siege itself was a masterpiece of military engineering. Sultan Mehmed II, or Mehmed the Conqueror, was only 21 when he took the throne, but he was obsessed with taking Constantinople. He built a fortress called Rumelihisari on the European shore of the Bosphorus to control the strait, and he assembled an enormous army—some say up to 100,000 men. Luna: What about the city's defenses? I know the Theodosian Walls were legendary. Lucas: They were. Built in the 5th century, those walls had withstood countless sieges for over a thousand years. They were triple-layered, with a moat, and they were incredibly thick. But Mehmed had a secret weapon: gunpowder. He commissioned a Hungarian cannon founder named Uruban to cast massive bombards, including the Great Bombard, which could fire stone balls weighing over a ton. Lucas: The siege began on April 6, 1453. Mehmed's cannons pounded the walls for weeks, but the defenders, led by Emperor Constantine XI, managed to repair the breaches at night. They even had their own cannons, but they were smaller. The key moment came when the Ottomans dragged a fleet of ships overland on greased logs to bypass the massive chain that blocked the Golden Horn. Luna: Wait, they moved ships overland? That's incredible. Lucas: Yeah, it was a brilliant tactical move. The Golden Horn was protected by a huge chain, and the Byzantine navy was stationed there. But Mehmed ordered dozens of ships to be hauled over the hill behind Pera, a Genoese colony, and then launched into the Golden Horn from the other side. That cut off the city's naval support and split the defenders' attention. Lucas: The final assault came on May 29. Mehmed launched wave after wave of troops—first irregulars, then Anatolian soldiers, and finally his elite Janissaries. A small gate called the Kerkoporta had been left unlocked by accident, or possibly by treachery, and the Ottomans poured through. Constantine XI died in the fighting—his body was never identified. Luna: That's such a dramatic end. What happened to the city afterward? Lucas: Mehmed allowed his troops three days of plunder, which was standard for the time, though horrible. Much of the city was destroyed, and thousands were killed or enslaved. But then Mehmed set about making Constantinople his new capital. He repopulated it, converted Hagia Sophia into a mosque, and built new palaces and public works. He also allowed some religious freedom—he even appointed a new Orthodox patriarch, though under Ottoman authority. Lucas: The fall sent shockwaves through Europe. It's often cited as one of the reasons for the Age of Exploration. Without a safe land route to Asia, Europeans had to find a sea route. That led to guys like Vasco da Gama and Columbus, which we've covered. So in a way, 1453 is the beginning of the story we've been telling. Luna: It really connects everything. I never thought about it that way. Lucas: And there's a personal angle, too. There's a legend that Constantine XI was not killed but was turned into marble by an angel and will return one day to reclaim the city. It's a powerful myth that speaks to how deeply the loss resonated. Luna: A marble emperor—that's a poignant image. So the fall of Constantinople really was the end of an era and the start of a new one. Lucas: Absolutely. It closed the Middle Ages and opened the early modern period. And it set the stage for European colonialism in a very direct way. Without Mehmed's cannons, who knows how long the old trade routes would have lasted?