The United States presidential election of 1788--1789 was the first presidential election under the United States Constitution in the United States of America and the only election to ever take place in a year that is not a multiple of four.
The United States presidential election of 1788--1789 was the 1st quadrennial presidential election. It was the first presidential election under the United States Constitution in the United States of America and the only election to ever take place in a year that is not a multiple of four.