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Rutherford Hayes sworn in as the 19th US President.
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Both North and South Dakota became states on November 2, 1889. North Dakota is the 39th state admitted to the Union.
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William McKinley sworn in as the 25th US President.
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United States declared war on Spain.
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United States and Spain sign the Treaty of Paris 1898, officially ending the Spanish-American War.
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United States annexes Guam, the Philippines, and Puerto Rico.
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US Army Air Corps established.
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World War I begin as the Ottoman Empire declares war on Bosnia.
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US National Guard established.
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Treaty of Versailles signed, ending World War I.
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Warren Harding sworn in as the 29th US President.
Calvin Coolidge sworn in as the 30th US President.
Calvin Coolidge sworn in as President for a 2nd term.
Herbert Hoover sworn in as the 31st US President. -
New York Stock Market crashes to an all-time low, signaling the start of the Great Depression.
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France and Great Britain declare war on Germany.
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Winston Churchill proclaims "an iron curtain has swept across Europe," beginning the Cold War.
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United Nations declares war on North Korea.
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Vietnamese forces attack an American Destroyer (USS Maddox).
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2 American embassies in eastern Africa are destroyed by terrorist bombs.
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On September 11th Al Qaeda terrorists crash three planes into the New York's World Trade Center and Pentagon.
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Barack Obama announces candidacy for President in February
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Barack Obama is inaugurated as America's first black President