1800 United States presidential election
Thomas Jefferson and Aaron Burr both got 73 electoral votes. However, since they got the same, the Senate had to vote on which one would become president and which one would be vice president. Jefferson, obviously, ended up being president. However, it was hard because the Senate was still controlled by people who didn't like Jefferson and Burr. Adams got 65 electoral votes. His vice president candidate, Pinckney, got 64, with the one other vote going to John Jay. If Adams was reelected, he wouldn't have had to deal with the Senate vote.