The Ottoman Empire, which fell at the end of World War I after surviving more than six centuries, contained all or portions of how many present-day countries?

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The Ottoman Empire, which lasted from 1299 to 1923, at various times contained all or portions of 53 present-day nations across three continents - more than one fourth of the countries in existence. Throughout the 16th and 17th centuries in particular, the Ottoman Empire was the most powerful state in the world.

The Ottoman Empire, Which Fell at the End of World