1906 - The International Radio Telegraphic Convention in Berlin adopted the SOS distress signal.
1917 - The National Hockey League (NHL) was officially formed in Montreal, Canada.
1943 - U.S. President Roosevelt, British Prime Minister Winston Churchill and Chinese leader Chiang Kai-shek met in Cairo to discuss the measures for defeating Japan.
1955 - RCA Records bought the rights to the music of Elvis Presley for $25,000.
1975 - "Dr. Zhivago" appeared on TV for the first time. NBC paid $4 million for the broadcast rights.
1977 - Regular passenger service on the Concorde began between New York and Europe.
1986 - Mike Tyson became the youngest to wear the world heavyweight-boxing crown. He was only 20 years and 4 months old.