FRIDAY, July 21, 2023

1831 ― Belgium gains independence from the Netherlands, Leopold I made king

1836 ― First Canadian railway opens connecting La Prairie and St. Johns, Quebec

1898 ― Spain cedes Guam to U.S.

1930 ― U.S. Veterans Administration established

1931 ― Reno race track becomes first in U.S. to use daily double wagering

1940 ― Soviet Union annexes Estonia, Latvia, Lithuania

1944 ― U.S. forces free Guam of Japanese invaders

1969 ― Neil Armstrong takes first step on the Moon at 2:56:15 AM (GMT)

1969 ― Russia's Luna 15 impacts moon after 52 lunar orbits

1972 ― In New York, 57 murders occur in one-week period

1978 ― U.S. Postal Service & unions agree on a contract averting mail strike

1978 ― World's strongest dog, 80-kg St. Bernard, pulls 2909-kg load 27 meters

1984 ― First documented case of a robot killing a human in U.S.

1990 ― Pink Floyd's "The Wall" is performed where the Berlin Wall once stood