Wikipedia:Selected anniversaries/March 14
March 14: Commonwealth Day (2005), White Day in Japan, Pi Day
- 1590 - Henry of Navarre and the Huguenots decisively defeated the forces of the Catholic League under the Duc de Mayenne in the Battle of Ivry.
- 1794 - Eli Whitney patented the cotton gin.
- 1964 - Jack Ruby was found guilty of killing Lee Harvey Oswald.
- 1984 - Gerry Adams, leader of Sinn Féin, was seriously wounded in an assassination attempt in central Belfast, Ireland.
- 1991 - The "Birmingham Six", wrongly convicted of murder and bombing pubs in Birmingham, England, were released after 16 years in prison.