The Battle of El Mazuco during the Spanish Civil War starts.

Muhammad Ali is awarded the gold medal for the light heavyweight at the Olympic Games in Rome.

The Golden Dragon massacre occurred in San Francisco.

Sir Malcolm Campbell becomes the first person to drive an automobile over 300 mph at the Bonneville Salt Flats in Utah.

An earthquake in Nicaragua kills more than 100 people.

The last passenger pigeon dies in captivity in the Cincinnati Zoo.