Constantinople

Constantinople (Latin: Cōnstantīnopolis; Ottoman Turkish: قسطنطينيه‎) was the capital city of the Roman Empire (330–395), the Eastern Roman (Byzantine) Empire (395–1204 and 1261–1453), the brief Crusader state known as the Latin Empire (1204–1261), and the Ottoman Empire (1453–1923).
With the establishment of the Turkish Republic in 1923, the capital of Turkey was moved to Ankara and the Greco-Roman name Constantinople was officially changed to Istanbul in 1930, by Mustafa Kemal Atatürk.

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Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 1 year ago

It is a false story fabricated by Yazeed's admirers.
Yazeed did not invade Constantinople and Imam Hasan and Imam Husain had no relation with such person indulged in major sins.

Wassalam.