Turkey marks 562nd anniversary of Istanbul's Ottoman conquest

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Hundreds of thousands of people gathered to celebrate the 562nd anniversary of the Ottoman conquest of Istanbul. The massive ceremony on Saturday, believed to be "the biggest ever celebration in modern Turkey's history," was attended by Turkish President Recep Tayyip Erdogan and Prime Minister Ahmet Davutoglu. The Turkish Air Forces' aerobatics team and the Ottoman military band performed during the event. Constantinople, the capital of the Byzantine Empire, was conquered by the Ottoman Empire on May 29, 1453.