1790 – Congress declares the city of Washington in the District of Columbia, the permanent capital of the United States.
1867 – D.R. Averill of Ohio patents ready-mixed paint.
1926 – National Geographic takes 1st natural-color undersea photos.
1935 – First automatic parking meter in the United States is installed in Oklahoma City, Oklahoma.
1936 – 1st x-ray photo of arterial circulation, Rochester, NY.
1941 – 100 degrees F…highest temperature ever recorded in Seattle, Washington.
1941 – Joe DiMaggio goes 3 for 4, hitting in his 56th straight game.
1945 – 1st test detonation of an atomic bomb, Trinity Site, Alamogordo, New Mexico as part of the US Manhattan Project.
1956 – Detroit Tigers & Briggs Stadium sold for then record $5.5 million.
1957 – US Marine Major John Glenn sets transcontinental speed record (03:28:08)
1964 – Republican convention selects Barry Goldwater as presidential candidate.
1969 – Apollo 11 launched, carrying 1st men to land on Moon.
1972 – Smokey Robinson & Miracles final live performance.
1988 – Carl Lewis runs a wind-assisted 100m in 9.78 seconds.
1988 – Florence Joyner runs 100m in women’s world record 10.49 seconds.
1990 – NYC’s Empire State Building catches fire-no fatalities.
1999 – John F. Kennedy Jr., his wife Carolyn Bessette Kennedy and sister-in-law are killed in a plane crash off the coast of Martha’s Vineyard. The Piper Saratoga aircraft was piloted by Kennedy.
2004 – Martha Stewart is sentenced to five months in prison plus five months in home confinement for lying to federal investigators.
2016 – Republican presidential nominee Donald Trump announces Indiana governor Mike Pence as his Vice Presidential running mate.
2018 – US President Donald Trump appears to accept the word of Russian President Vladimir Putin over US intelligence services about Russian meddling in the 2016 US election, in an interview after the two leader’s Helsinki Summit.
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