The first president was John Adams, wall the first vice president was Thomas Jefferson. This was because in the election both Thomas Jefferson and John Adams got 73 votes, therefore, one of them had to be vice president. This was sent to the House of Representatives and they decided that Thomas Jefferson should be the vice president.
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.