May 13 is the 133rd day of the year (134th in leap years) in the Gregorian calendar; 232 days remain until the end of the year.

Historical events for the 13th of May. See what famous, interesting and notable events happened throughout history on May 13.

2012年5月13日 · Blood, toil, tears and sweat, hunger strike in Tiananmen Square, how Australia was born and other historical events, birthdays and deaths from May 13.

May 13th is officially celebrated as International Hummus Day and Leprechaun Day. Welcome to day 133 of the year folks, there are 232 days left in 2025. Learn all about May 13th right here as we step back in time to the major events that all made this day a unique day in history.

Tensions between Mexico and the United States —stemming from the U.S. annexation of Texas (1845)—led the U.S. Congress on this day in 1846 to approve overwhelmingly a declaration of war against Mexico. Sort fact from fiction in our quiz about wars throughout history.

Discover what happened on May 13 with HISTORY's summaries of major events, anniversaries, famous births and notable deaths.

Discover what happened on May 13th in history, famous birthdays on May 13th, celebrities died on this day, the day of the week and the zodiac sign associated to May 13.

The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 4,526 days since this fabled cataclysmic event. Do people and celebrities …

On May 13, 1908, President Theodore Roosevelt delivered the opening address, “Conservation as a National Duty,” at the outset of a three-day meeting billed as the Governors’ Conference on the Conservation of Natural Resources.

1985 - Tony Perez became the oldest major league baseball player to hit a grand slam home run at the age of 42 and 11 months. 1985 - A confrontation between Philadelphia authorities and the radical group MOVE ended as police dropped an explosive onto the group's headquarters. Eleven people died in the fire that resulted.