1630

The Massachusetts village of Shawmut changed its name to Boston.

1810

Mexico began its revolt against Spanish rule.

1974

President Gerald R. Ford announced a conditional amnesty program for Vietnam war deserters and draft-evaders.

1987

Two dozen countries signed the Montreal Protocol, a treaty to save the Earth’s ozone layer by reducing emissions of chemicals by the year 2000.

2007

O.J. Simpson was arrested in the alleged armed robbery of sports memorabilia collectors in Las Vegas.