March 14th is the 73rd day of the year (74th in leap years) in the Gregorian calendar. There are 292 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).
44 BC – Casca and Cassius decide, on the night before the Assassination of Julius Caesar, that Mark Antony should live.
1936 – The first all-sound film version of Show Boat opens at Radio City Music Hall.
1942 – Orvan Hess and John Bumstead became the first in the United States successfully to treat a patient, Anne Miller, using penicillin.
1964 – A jury in Dallas finds Jack Ruby guilty of killing Lee Harvey Oswald, the assumed assassin of John F. Kennedy.
1967 – The body of U.S. President John F. Kennedy is moved to a permanent burial place at Arlington National Cemetery.
The Fault in Our Stars Actor Ansel Elgort turns 24
Gymnast Simone Biles turns 21
Actor and Comedian Billy Crystal turns 70
Anne of Green Gables Actress Megan Follows turns 50
Actor Michael Caine turns 85