March 31 is the 90th day of the year (91st in leap years) in the Gregorian calendar. There are 275 days remaining until the end of the year. This date is slightly more likely to fall on a Tuesday, Thursday or Saturday (58 in 400 years each) than on Sunday or Monday (57), and slightly less likely to occur on a Wednesday or Friday (56).
+ 1918 – Daylight saving time goes into effect in the United States for the first time.
+ 1930 – The Motion Picture Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in film, in the U.S., for the next thirty-eight years.
+ 1931 – TWA Flight 599 crashes near Bazaar, Kansas, killing eight, including University of Notre Dame head football coach Knute Rockne.
+ 1985 – The first WrestleMania, the biggest wrestling event from the WWE (then the WWF), takes place in Madison Square Garden in New York City.
+ 1992 – The USS Missouri, the last active United States Navy battleship, is decommissioned in Long Beach, California.
( Births )
+ 1928 – Lefty Frizzell, American singer-songwriter and guitarist (d. 1975)
+ 1928 – Gordie Howe, Canadian ice hockey player (d. 2016)
+ 1934 – Shirley Jones, American actress and singer
+ 1935 – Herb Alpert, American singer-songwriter, trumpet player, and producer
+ 1948 – Al Gore, American soldier and politician, 45th Vice President of the United States and Nobel Prize laureate
+ 1948 – Rhea Perlman, American actress