1492

Christopher Columbus set sail from Palos, Spain, on a voyage that took him to the present-day Americas.

1936

Jesse Owens of the United States won the first of his four gold medals at the Berlin Olympics.

1949

The National Basketball Association was formed as a merger of two leagues.

1981

U.S. air traffic controllers went on strike, despite a warning from President Ronald Reagan they would be fired, which they were.

2019

A gunman opened fire at a Walmart store in El Paso, Texas, killing 22 people.