Simplify the following text for a Grade 8 native English-speaking person.
Original: The United States presidential election of 2004 was held on Tuesday , November 2 , 2004 , to elect the President of the United States .
Simplified: The United States presidential election of 2004 was the United States ' 55th quadrennial presidential election . It was held on Tuesday , November 2 , 2004 .