Constantinople[a] (see other names) was a historical city located on the Bosporus that served as the capital of the Roman, Byzantine, Latin, and Ottoman empires between its consecration in 330 until 1930, when it was renamed to Istanbul.

Fall of Constantinople, (May 29, 1453), conquest of Constantinople by Sultan Mehmed II of the Ottoman Empire. The dwindling Byzantine Empire came to an end when the Ottomans breached Constantinople’s ancient land wall after besieging the city for 55 days.

Dec 6, 2017 · Constantinople is an ancient city in modern-day Turkey that’s now known as Istanbul. First settled in the seventh century B.C., Constantinople developed into a thriving port thanks to its...

Apr 9, 2013 · In 330 CE, Constantine consecrated the Empire's new capital, a city which would one day bear the emperor's name. Constantinople would become the economic and cultural hub of the east and the center of both Greek classics and Christian ideals.

The history of Constantinople covers the period from the Consecration of the city in 330, when Constantinople became the new capital of the Roman Empire, to its conquest by the Ottomans in 1453. Constantinople was rebuilt practically from scratch on the site of Byzantium.

Jan 4, 2025 · Constantinople became the world’s first Christian capital, owing to Constantine’s momentous decision to personally convert to Christianity himself.

Mar 19, 2025 · Constantinople was to become one of the great world capitals, a font of imperial and religious power, a city of vast wealth and beauty, and the chief city of the Western world.

Jan 23, 2018 · Constantinople was the next target as Byzantium teetered on the brink of collapse and became no more than a vassal state within the Ottoman Empire. The city was attacked in 1394 CE and 1422 CE but still managed to resist.

Dec 6, 2017 · Constantinople is an ancient city in modern-day Turkey that’s now known as Istanbul. First settled in the seventh century B.C., Constantinople developed into a thriving port thanks to its prime ...

Jun 5, 2020 · Constantinople was the largest and wealthiest city of the Middle Ages and one of the few remnants of the once all-encompassing Roman Empire. It ruled the Golden Horn, a natural estuary connected to the Bosphorus Strait in modern Turkey, where it thrived on trade.