Event:
Iowa voters attend electoral caucuses; Mitt Romney, Ron Paul and Rick Santorum lead Republican contenders as nominees for President of the United States
More Notable Events on January 3:
1997 Bryant Gumbel co-hosted his final Today show on NBC-TV
1962 Pope John XXIII excommunicates Fidel Castro
1959 Alaska admitted as 49th U.S. state
1958 Edmund Hillary reaches South Pole overland
1521 Martin Luther excommunicated by Roman Catholic Church
