The First Vatican Council hands down the dogma of papal infallibility.

France and England agree to the Truce of Leulinghem during the Hundred Years’ War.

Nadia Comaneci is the first athlete in Olympic Games history to score a perfect 10 in gymnastics at the 1976 Montreal Summer Olympics.

The first Disneyland in Anaheim, California opens.

James Oliver Huberty opens fire, killing 21 people and injuring 19 others at McDonald’s in San Ysidro, California. He is shot dead by police.