The laws of Burgos give New World natives legal protection against abuse and authorize Negro slavery.
HMS Beagle, with Charles Darwin on board, departs from Plymouth. It will eventually visit the Galapagos Islands where Darwin will form his theories on evolution.
Charles Moyer, president of the Miners Union, is shot in the back and dragged through the streets of Chicago.
Josef Stalin calls tensions with Japan a grave danger.
The United States and Spain resume relations for the first time since the Spanish Civil War of the 1930s.
Segregation on buses in Tallahassee, Florida, is outlawed.
President Hafizullah Amin of Afghanistan is ousted and murdered in a coup backed by the Soviet Union, beginning a war that will last more than 10 years.
Radiation reaches Earth from the brightest extrasolar event ever witnessed, an explosion of magnetar SGR 1806-20.
After Mwai Kibaki is declared the winner of Kenya's presidential elections, rioting begins in Mombasa, precipitating an economic, humanitarian and political crisis.