The United States presidential election of 1800 was the fourth United States presidential election. It was held from Friday, October 31 to Wednesday, December 3, 1800. In what is sometimes referred to as the "Revolution of 1800", Vice President Thomas Jefferson of the Democratic-Republican Party defeated incumbent President John Adams of the Federalist Party. The election was a realigning election that ushered in a generation of Democratic-Republican rule.

Answer this question based on the passage: who became president with the election of 1800? Okie... think carefully first, then make a decision:
The important part for answering this question is: In what is sometimes referred to as the "Revolution of 1800", Vice President Thomas Jefferson of the Democratic-Republican Party defeated incumbent President John Adams of the Federalist Party. So, the answer is Thomas Jefferson.