1637 - In the Pequot War, a force of Puritans and Mohegans attack a Pequot village at Mystic, Connecticut, killing some 600 men, women, and children.
1830 - The Indian Removal Act is signed by Congress.
1865 - General Edmund Kirby Smith, commander of the Confederate Trans-Mississippi Department, becomes the last Southern general to surrender in the Civil War.
1868 - For the second time the Senate fails by one vote to convict President Andrew Johnson in his impeachment trial.
1896 - The Customer's Afternoon Letter publishes the Dow Jones Industrial Average for the first time.