February 13th is the 44th day of the year in the Gregorian calendar. There are 321 days remaining until the end of the year (322 in leap years). 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).
1542 – Catherine Howard, the fifth wife of Henry VIII of England, is executed for adultery.
1960 – Black college students stage the first of the Nashville sit-ins at three lunch counters in Nashville, Tennessee.
1961 – An allegedly 500,000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.
1967 – American researchers discover the Madrid Codices by Leonardo da Vinci in the National Library of Spain.
2017 – Kim Jong-nam, brother of North Korean dictator Kim Jong-Un, is assassinated at Kuala Lumpur International Airport.
Singer-Songwriter Robbie Williams turns 44
Actress Kim Novak turns 85
TV Presenter Jerry Springer turns 74
Controversial Personality Katie Hopkins turns 43
Grease Actress Stockard Channing turns 74