It is the 103rd day of the year with only 262 days remaining.
1207 - Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire.
1598 - Henry IV of France issues the Edict of Nantes, allowing freedom of religion to the Huguenots.
1796 - The first elephant ever seen in the United States arrives from India.
1861 - Fort Sumter surrenders to Confederate forces, after siege.
1902 - James C. Penney opens his first store in Kenmerer, Wyoming.
191 - Eugene V. Debs enters prison at Atlanta Federal Penitentiary in Georgia, for speaking out against the draft during the First World War.
1943 - The Jefferson Memorial is dedicated on the 200th anniversary of Thomas Jefferson's birth.
1953 - CIA director Allen Dulles launches the mind-control program MKULTRA.
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.
1970 - An oxygen tank aboard Apollo 13 explodes, putting the crew in great danger and causing major dmage to the spacecraft while en route to the moon.
1974 - Western Union in cooperation with NASA and Hughes Aircraft, launches the first commercial geosynchronous communications satellite, Westar 1.
1997 - Tiger Woods becomes the youngest golfer to win the Masters Tournament.