1831 - On this day in history, Charles Darwin set out on a voyage to the Pacific aboard the HMS Beagle, which helped him form the basis of his theories on evolution
1927 - Leon Trotsky was expelled from the Communist Party.
1932 - Today in history, Radio City Music Hall opened in NYC.
1937 - Mae West performed Adam & Eve skit that got her banned from NBC radio.
1938 - On this day in history, the first skimobile course in America opened in North Conway, NH.
1945 - The World Bank was created.
1951 - Today in history, in Cincinnati, OH, a Crosley automobile with a steering wheel on the right side became the first vehicle to be placed in service for mail delivery.
1978 - Spain adopted a new constitution and became a democracy after 40 years of dictatorship.
1985 - On this day in history, Palestinian guerrillas opened fire inside the Rome and Vienna airports. A total of twenty people were killed.
2001 - President George Bush granted China permanent normal trade status with the US.
2002 - Today in history, Clonaid announced the birth of the first cloned human baby. The baby had been born December 26.
SCIENCE, DISCOVERIES, PATENTS - Today in History, December 27th
1845 - Dr. Crawford Williamson Long used anesthesia for childbirth for the first time. The event was the delivery of his own child in Jefferson, GA.
MUSIC HISTORY - Today in History, December 27th
1932 - On this day in history, Radio City Music Hall opened its doors to the public for the first time.
1939 - "The Glenn Miller Show," also known as "Music that Satisfies," debuted on CBS radio.
1964 - Today in history, The Supremes made their first appearance on TV's "Ed Sullivan Show."
1971 - The "Sonny & Cher Show" began airing on CBS.
1975 - On this day in history, The Four Seasons, "December 1963 (Oh, What a Night)" was released.