Presidential Elections in the United States are held every four years.
Both the President and Vice President are nationally elected together as a ticket through a majority of votes.
The elected President is sworn in on January 20 of the year following the election.
This event is now called Inauguration Day.
Article II, Section 1, Paragraph 8 of the Constitution, requires that upon entering office, the President must repeat the following oath or affirmation:
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"I do solemnly swear (or affirm) that I will faithfully execute the Office of President of the United States, and will to the best of my Ability, preserve, protect, and defend the Constitution of the United States."
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