At the Battle of Montaperto in Italy, the Tuscan Ghibellines, who support the emperor, defeat the Florentine Guelfs, who support papal power.
After four years of war, Spain agrees to allow a Portuguese monopoly of trade along Africa's west coast and Portugal acknowledges Spain's rights in the Canary Islands.
USS Intrepid explodes while entering Tripoli harbor on a mission to destroy the enemy fleet there during the First Barbary War.
Czar Alexander declares that Russian influence in North America extends as far south as Oregon and closes Alaskan waters to foreigners.
The Edison electric lighting system goes into operation as a generator serving 85 paying customers is switched on.
Beatrix Potter sends a note to her governess' son with the first drawing of Peter Rabbit, Cottontail and others. The Tale of Petter Rabbit is published eight years later.
The U.S. military places Haiti under martial law to quell a rebellion in its capital Port-au-Prince.
German submarine U-652 fires at the U.S. destroyer Greer off Iceland, beginning an undeclared shooting war.
The American flag is raised on Wake Island after surrender ceremonies there.
Arkansas governor Orval Faubus calls out the National Guard to bar African-American students from entering a Little Rock high school.
Sinai II Agreement between Egypt and Israel pledges that conflicts between the two countries "shall not be resolved by military force but by peaceful means."