This was 133rd day of the year and 232 days remained in the year.
May 13 in History
Mary Queen of Scots was defeated at the Battle of Langside and immediately fled to North England.
The United States formally declared war on Mexico after several days of fighting.
Louis Armstrong and his orchestra recorded the New Orleans's jazz classic, When the Saints Go Marching In, on Decca Records.
Winston Churchill gave his first speech as prime minister: "I have nothing to offer but blood, toil, tears and sweat."
Pope John Paul II was shot and wounded by Mehmet Ali Agca as he drove through a crowd in St. Peter's Square, Rome.
Note: Dates in the Islamic calendar are provided for planning purposes only, and calculated with the hdate Islamic calendar program for moonrise in Boston, Masschusetts. Depending on your location and other factors, this result may differ from actual religious observances by one day. Please consult your local religious authority for any religious determinations of hejiric date.