1919

Congress approved the 19th Amendment to the U.S. Constitution, which said that the right of Americans to vote “shall not be denied or abridged by the United States or by any State on account of sex.” (The amendment was then sent to the states for ratification.)

1989

Hundreds, perhaps thousands, of pro-democracy demonstrators and dozens of soldiers are estimated to have been killed when Chinese troops crushed a seven-week-long protest held by occupying demonstrators in Beijing’s Tiananmen Square.