April 13 is the 103rd day of the year. There are 262 days remaining until the end of the year. This date is slightly more likely to fall on a Monday, Wednesday or Friday (58 in 400 years each) than on Saturday or Sunday (57), and slightly less likely to occur on a Tuesday or Thursday (56).
+ 1943 – The Jefferson Memorial is dedicated in Washington, D.C., on the 200th anniversary of President Thomas Jefferson's birth.
+ 1964 – At the Academy Awards, Sidney Poitier becomes the first African-American male to win the Best Actor award for the 1963 film Lilies of the Field.
+ 1976 – The United States Treasury Department reintroduces the two-dollar bill as a Federal Reserve Note on Thomas Jefferson's 233rd birthday as part of the United States Bicentennial celebration.
+ 1997 – Tiger Woods becomes the youngest golfer to win the Masters Tournament.
( Births )
+ 1743 – Thomas Jefferson, American lawyer and politician, 3rd President of the United States (d. 1826)
+ 1866 – Butch Cassidy, American criminal (d. 1908)
+ 1923 – Don Adams, American actor and director (d. 2005)
+ 1945 – Tony Dow, American actor