1969 - The first temporary artificial heart is implanted, by Dr. Denton Cooley.
1949 - North Atlantic Treaty Organization (NATO) is created, with 12 countries.
1850 - Municipality of Los Angeles incorporated, five months before California joins the Union
1818 - Congress adopts the flag of the United States, with 13 red and white stripes and one star for each state
1655 - Miraculous statue "Infant Jesus of Prague" coronated by command of Cardinal Harrach
This Day In Business
1975 - Microsoft Corporation is started in Albuquerque, New Mexico by Bill Gates and Paul Allen.
1975 - Musician Steve Miller is arrested for setting fire to his girlfriend Benita Diorio's clothing.
1581 - Francis Drake knighted after completing a circumnavigation of the world.
1988 - Behind Danny Manning, Kansas pulls off an incredible feat and wins the NCAA championship.
April 4th Holiday
Peace Day (Angola) - Celebrates and promotes peace and nonviolence.
Today's Birthday Trivia
She won a Primetime Emmy for hosting So You Think You Can Dance. Who is she?
Today's Birthday Horoscope
Learn about people born on this day by reading the April 4 Birthday Horoscope.
Famous Birthdays iPhone App
Are you an iPhone user? Get the fun and free Famous Birthdays iPhone app.