04/20/2024
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1835 – Texas Rangers, mounted police force authorized by Texas Provisional Government.

1874 – American inventor Joseph Glidden patents barbed wire.

1896 – 1st US absentee voting law enacted by Vermont.

1903 – Clyde Coleman of NYC patents automobile electric starter.

1916 – Mexican and US representatives sign a protocol at Atlantic City, under which Pershing’s troops will withdraw and each nation’s army will guard the border. President Carranza of Mexico will refuse to accept it.

1917 – Nine police offices and one civilian are killed when a bomb explodes at the Milwaukee, Wisconsin police headquarters building.

1932 – In Washington, D.C., the FBI Scientific Crime Detection Laboratory (better known as the FBI Crime Lab) officially opens.

1944 – US bombers based on Saipan begin 1st attack on Tokyo.

1950 – US infantry division conquers Chonju, Korea.

1951 – British auto manufacturers Austin and Morris Motors merge.

1954 – Air Force One, 1st US Presidential airplane, christened.

1966 – 400 die of respiratory failure & heart attacks in New York City smog, smoggiest day in city’s history.

1971 – Dan “DB” Cooper parachutes from a Northwest AL 727 with $200,000.

1974 – Gerald Ford and Leonid Brezhnev sign the SALT-2 treaty to reduce each side’s number of nuclear weapons.

1979 – US admits troops in Vietnam were exposed to the toxic Agent Orange.

1980 – “9 to 5 and Odd Jobs” 23rd studio album by Dolly Parton is released.

1991 – US 75th manned space mission “STS 44” Atlantis 10 launched.

1993 – Brady bill passes establishing 5-day waiting period for US handgun sales.

2014 – A 12-year-old boy is shot dead by police in Cleveland, after brandishing what turned out to be a fake gun in a playground.

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