In 1776, the Thirteen Colonies declared their independence from Britain. With the help of France and Spain, they defeated the British in the American Revolutionary War. In the Treaty of Paris (1783), Britain officially recognized the independence of the United States of America.
World War I effectively ended the Ottoman Empire.
The Allies who defeated the Ottoman Empire wanted to divide Turkey up as spoils of War but the Turkish National Park led by future President Mustafa Kemal Ataturk fought them off and eventually founded the new nation of Turkey with its capital in Ankara.
The Iranian Go Safe Crisis.
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They developed a written language.