The bitterly contested presidential election of 1800 was a rematch of the election of 1796. The incumbent Federalist president ran against, a Republican. The result of the election was a tie in the Electoral College, which caused the outcome to be decided in .

The bitterly contested presidential election of 1800 was a rematch of the election of 1796. The incumbent Federalist president John Adams ran against Thomas Jefferson, a Republican. The result of the election was a tie in the Electoral College, which caused the outcome to be decided in the House of Representatives.

Explanation:

In the presidential election held in 1800, the Federalist Adams ran against the Republican Thomas Jefferson. The result of the election was a tie, which had to be resolved by the House of Representatives, under Federalist control at the time. 36 ballots were effectuated before resolving Jefferson would be the president, with Aaron Burr as his vice president.