November 21 is the 325th day of the year. There are 40 days remaining until the end of the year. This date is slightly more likely to fall on a Monday, Wednesday or Saturday (58 in 400 years each) than on Thursday or Friday (57), and slightly less likely to occur on a Tuesday or Sunday (56).
+ 1620 – Plymouth Colony settlers sign the Mayflower Compact (November 11, O.S.)
+ 1877 – Thomas Edison announces his invention of the phonograph, a machine that can record and play sound.
+ 1902 – The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
+ 1959 – American disc jockey Alan Freed, who had popularized the term "rock and roll" and music of that style, is fired from WABC-AM radio over allegations he had participated in the payola scandal.
+ 1980 – A deadly fire breaks out at the MGM Grand Hotel in Paradise, Nevada (now Bally's Las Vegas). Eighty-seven people are killed and more than 650 are injured in the worst disaster in Nevada history.
+ 1992 – A major tornado strikes the Houston, Texas area during the afternoon. Over the next two days the largest tornado outbreak ever to occur in the US during November spawns over 100 tornadoes.
( Births )
+ 1916 – Sid Luckman, American football player and soldier (d. 1998)
+ 1920 – Stan Musial, American baseball player and manager (d. 2013)
+ 1945 – Goldie Hawn, American actress, singer, and producer
+ 1966 – Troy Aikman, American football player and sportscaster
+ 1969 – Ken Griffey Jr., American baseball player and actor