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Confederate forces attacked a US military installation at Fort Sumter in South Carolina.
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United States President William McKinley, attending the Pan-American Exposition, was shot twice by Leon Czolgosz, an anarchist.
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The assassination of Archduke Franz Ferdinand of Austria, the heir to the throne of Austria-Hungary, is seen as the immediate trigger of the war.
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The Nineteenth Amendment prohibits each state and the federal government from denying any citizen the right to vote based on that citizen's sex
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The Stock Market Crash of 1929, was the most devastating stock market crash in the history of the United States.
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The attack on Pearl Harbor by the Empire of Japan brought the United States into World War II.
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The North Atlantic Treaty Organization or NATO is an intergovernmental military alliance based on the North Atlantic Treaty.
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Kennedy was fatally shot while riding with his wife Jacqueline in a Presidential motorcade.
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The Wounded Knee incident began when the town of Wounded Knee, South Dakota was seized by followers of the American Indian Movement (AIM).
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Reagan nominated O'Connor as an Associate Justice of the Supreme Court.
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The Gulf War was a war waged by a U.N.-authorized coalition force from thirty-four nations led by the United States and United Kingdom, against Iraq.
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Hijackers intentionally crashed two of the airliners into the Twin Towers of the World Trade Center in New York City, killing everyone on board and many others working in the buildings.
