March 24, 1962 - Emile Griffith regained the World Welterweight Championship by knocking out Benny the "Kid" Paret in the 12th round. Paret died ten days later on April 3, 1962 as a result of severe head injuries sustained in the fight.
... Edison's cylinder.
March 4 - Russo-Japanese War: Russian troops in Korea retreat toward Manchuria followed by 100,000 Japanese troops.
April 30 - Louisian ...