It is the 139th day of the year, with only 226 days remaining.
1536 - Anne Boleyn, the second wife of Henry VIII of England, is beheaded for adultery, treason, and incest.
1828 - President John Quincy Adams signs the Tariff Act into law, protecting wool manufacturers in the United States.
1848 - Mexico ratifies the Treaty of Guadalupe-Hidalgo thus ending the war and ceding California, Nevava, Utah and parts of four other modern-day U.S. states to the country for $15 million.
1921 - Congress passes the Emergency Quota Act establishing national quotas on immigration.
1943 - British Prime Minister Winston Churchill and President Franklin Roosevelt set Monday, May 1, 1944 as the date for the Normandy landings. It would later be delayed over a month due to bad weather.
1962 - A birthday salute to President John F. Kennedy takes place at Madison Square Garden, New York City. The highlight is Marilyn Monroe's rendition of "Happy Birthday."