On this day for the United States
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Events
- 1809 - Mary Kies becomes the first woman awarded a U.S. patent, for a technique of weaving straw with silk and thread.
- 1864 - American Civil War: The Battle of the Wilderness begins in Spotsylvania County, Virginia.
- 1865 - In North Bend, Ohio (a suburb of Cincinnati), the first train robbery in the United States takes place.
- 1877 - Indian Wars: Sitting Bull leads his band of Lakota into Canada to avoid harassment by the United States Army under Colonel Nelson Miles.
- 1886 - The Bay View massacre occurs, militia fire upon a crowd of protesters in Milwaukee, killing seven.
- 1891 - The Music Hall in New York City (now known as Carnegie Hall) has its grand opening and first public performance, with Pyotr Ilyich Tchaikovsky as the guest conductor.
- 1893 - Panic of 1893: Crash on the New York Stock Exchange starts a depression.
- 1904 - Pitching against the Philadelphia Athletics at the Huntington Avenue Grounds, Cy Young of the Boston Americans threw the first perfect game in the modern era of baseball.
- 1916 - American marines invade the Dominican Republic.
- 1925 - Scopes Trial: John T. Scopes is served an arrest warrant for teaching evolution in violation of the Butler Act.
- 1961 - Mercury program: Mercury-Redstone 3 – Alan Shepard becomes the first American to travel into space, making a sub-orbital flight of 15 minutes.
- 1987 - Iran–Contra affair: Start of Congressional televised hearings.
- 1991 - A riot breaks out in the Mt. Pleasant section of Washington, D.C., after a Salvadoran man is shot by police.
- 1992 - The 27th Amendment to the U.S. Constitution is ratified.