1880 - Thomas Edison received a patent for his electric incandescent lamp.
1943 - Some 50 bombers struck Wilhelmshaven in the first all-American air raid against Germany in World War II.
1944 - The Soviet Union announced the end of the deadly German siege of Leningrad, which had lasted for more than two years.
1945 - Soviet troops liberated the Nazi concentration camps Auschwitz and Birkenau in Poland.
1951 - An era of atomic testing in the Nevada desert began as an Air Force plane dropped a one-kiloton bomb on Frenchman Flats.
1967 - Astronauts Virgil I. "Gus" Grissom, Edward H. White and Roger B. Chaffee died in a flash fire during a test aboard their Apollo 1 spacecraft at Cape Kennedy, Fla. ALSO: More than 60 nations signed a treaty banning the orbiting of nuclear weapons.
1973 - The Vietnam peace accords were signed in Paris.
1985 - The secret three-day military-satellite mission of the space shuttle Discovery ended with a smooth landing in Florida.
And equally importantly (although I will not put a year on this little factoid, I will say that it was after 1967 and before 1985), my good friend Avi was born.
Happy Birthday, AZ!