世界史关键时刻·英语30篇（1）

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1453年君士坦丁堡陷落

For over a thousand years, Constantinople stood as capital of the Eastern Roman Empire and center of Orthodox Christianity.
Ottoman Sultan Mehmed II assembled cannons, ships, and 80,000 troops to besiege the ancient walls.
Defenders numbered only 7,000 but held out for 53 days using Greek fire and clever engineering.
When Ottoman forces broke through the Kerkoporta gate, Emperor Constantine XI died fighting.
Mehmed converted Hagia Sophia into a mosque and invited Christians, Jews, and Muslims to rebuild the city.
Scholars fleeing west carried Greek manuscripts that fueled Renaissance interest in classical learning.
Control of trade routes shifted decisively, pushing Europeans to seek sea paths to Asia.
The event marked both an end of antiquity and a catalyst for new global connections.