1850 – Adding machine employing depressible keys patented, New Paltz, NY.
1900 – The United States and the United Kingdom sign treaty for Panama Canal.
1904 – American occupation of Cuba ends.
1916 – Enrico Caruso records “O Solo Mio” for the Victor Talking Machine Co.
1922 – Reader’s Digest magazine 1st published.
1929 – Jimmy Hatlo’s “They’ll Do it Every Time” cartoon debuts in San Francisco.
1939 – FDR proposes enlarging Supreme Court, “court packing” plan failed.
1940 – Glenn Miller and his Orchestra record “Tuxedo Junction”
1953 – “Peter Pan” by Walt Disney opens at Roxy Theater, NYC.
1967 – “Smothers Brothers Comedy Hour” premieres on CBS (later on ABC, NBC)
1969 – US population reaches 200 million.
1971 – Apollo 14, 3rd US manned expedition, lands near Fra Mauro, Alan Shepard and Edward Mitchell (Apollo 14) walk on Moon for 4 hours.
1978 – Blizzard forms in US Northeast, 100 people killed in New England and New York over 3 days.
1981 – Military jury in North Carolina convicts Robert Garwood of collaborating with the enemy during the Vietnam War.
1989 – Kareem Abdul-Jabar becomes 1st NBA player to score 38,000 points.
1991 – A Michigan court bars Dr. Jack Kevorkian from assisting in suicides.
1997 – O.J. Simpson found liable in the deaths of Ron Graham and Nicole Simpson in a civil court action.
1998 – Author Tom Clancy confirms he signed agreement to purchase Minnesota Vikings for slightly more than $200 million, an NFL franchise record.
2008 – A major tornado outbreak across the Southern United States leaves at least 58 dead, the most since the May 31,1985 outbreak that killed 88.
2013 – The US Postal Service announces the cessation of Saturday first-class mail delivery from August 2013.
2020 – US Senate votes to acquit President Donald Trump 52-48 on charges of abuse of power and 53-47 on obstruction of Congress.