April 3 is the 93rd day of the year. There are 272 days remaining until the end of the year. This date is slightly more likely to fall on a Tuesday, Friday or Sunday (58 in 400 years each) than on Wednesday or Thursday (57), and slightly less likely to occur on a Monday or Saturday (56).
+ 1860 – The first successful United States Pony Express run from St. Joseph, Missouri, to Sacramento, California, begins.
+ 1882 – American Old West: Jesse James is killed by Robert Ford.
+ 1948 – United States President Harry S. Truman signs the Marshall Plan, authorizing $5 billion in aid for 16 countries.
+ 1968 – Martin Luther King Jr. delivers his "I've Been to the Mountaintop" speech.
+ 1996 – Suspected "Unabomber" Theodore Kaczynski is captured at his Montana cabin in the United States.
+ 2008 – Texas law enforcement cordons off the FLDS's YFZ Ranch. Eventually 533 women and children will be taken into state custody.
+ 1783 – Washington Irving, American short story writer, essayist, biographer, historian (d. 1859)
+ 1924 – Marlon Brando, American actor and director (d. 2004)
+ 1926 – Gus Grissom, American colonel, pilot, and astronaut (d. 1967)
+ 1942 – Wayne Newton, American singer
+ 1944 – Tony Orlando, American singer
+ 1958 – Alec Baldwin, American actor, comedian, producer and television host
+ 1961 – Eddie Murphy, American actor and comedian