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The Iowa Republican caucuses are initially declared as a victory for Mitt Romney, however later counts show Rick Santorum with a small lead, however later counts show Ron Paul with a majority of delegates. The Iowa Democratic caucuses are won by Barack Obama. Neither caucus awards any delegates, but are to be used as a guide for delegate selection in June's party conventions.
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Puerto Rico Democratic caucuses
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Jill Stein wins the presidential nomination of the Green Party at the party's nominating covention held in Baltimore, Maryland. Cheri Honkala is the party's vice-presidential nominee.
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Romney and Ryan are nominated for President and Vice President, respectively, at the 2012 Republican National Convention held in Tampa, Florida.
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Obama and Biden are nominated for President and Vice President, respectively, at the 2012 Democratic National Convention was held in Charlotte, North Carolina.
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First Presidential Debate at University of Denver in Denver, Colorado
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Election Day
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Inauguration Day. Day the president takes oath
