Swedish police used gas bombs to end a seven-day hostage situation in Stockholm; the hostages had bonded with their captors during the incident, leading to the term Stockholm syndrome.
American civil-rights leader Martin Luther King Jr. delivered the speech "I Have a Dream" during the March on Washington, calling for civil and economic rights and an end to racism in the United States.
African-American teenager Emmett Till was lynched near Money, Mississippi, for allegedly flirting with a white woman, energizing the nascent American civil rights movement.
The 1909 Monterrey hurricane dissipated; one of the deadliest Atlantic tropical cyclones on record, it killed an estimated 4,000 people throughout Mexico.