1837 – J. P. Morgan, American banker and financier, founded J.P. Morgan & Co. (d. 1913) is born.
1861 – The state of Virginia's secession convention votes to secede from the United States, becoming the 8th state to join the Confederate States of America.
1863 – American Civil War: Grierson's Raid begins – troops under Union Army Colonel Benjamin Grierson attack central Mississippi.
1864 – American Civil War: The Battle of Plymouth begins – Confederate forces attack Plymouth, North Carolina.
1905 – The Supreme Court of the United States decides Lochner v. New York, which holds that the "right to free contract" is implicit in the due process clause of the Fourteenth Amendment to the United States Constitution.
1907 – The Ellis Island immigration center processes 11,747 people, more than on any other day.
1923 – Harry Reasoner, American soldier and journalist (d. 1991) is born.
1935 – Bud Paxson, American broadcaster, founded Home Shopping Network and Pax TV (d. 2015) is born.
1961 – Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro.
1969 – Sirhan Sirhan is convicted of assassinating Robert F. Kennedy.
1970 – Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely.
1972 – Jennifer Garner, American actress is born.
1998 – Linda McCartney, American photographer, activist, and musician (b. 1941) dies.
2003 – Robert Atkins, American physician and cardiologist, created the Atkins diet (b. 1930) dies.
2014 – NASA's Kepler confirms the discovery of the first Earth-size planet in the habitable zone of another star.
2016 – Doris Roberts, American actress (b. 1925) dies.