👉 The Ottoman Empire, also known as the Ottoman State or the Ottoman Empire, was a long-lasting empire that existed from 1453 to 1922 in what is now Turkey. It was established by its founder, Osman I, and ruled for over two centuries. The name "Ottoman" comes from the Greek word "othon" which means "to rule," indicating a strong and powerful government. The Ottoman Empire's capital city was Constantinople (now Istanbul),