August 19, 1953: The Iranian military, with the support and financial assistance of the United States government, overthrows the government of Premier Mohammad Mosaddeq and reinstates the Shah of Iran. Iran remained a solid Cold War ally of the United States until a revolution ended the Shah’s rule in 1979. Mosaddeq came to prominence in Iran in 1951 when he was appointed premier. A fierce nationalist, Mosaddeq immediately began attacks on British oil companies operating in his country, calling for expropriation and nationalization of the oil fields. His actions brought him into conflict with the pro-Western elites of Iran and...