John McCain campaigned for presidency in the 56th quadrennial election.
He was the Republican nominee for the 2008 U.S. presidential election.
The United States presidential election of 2008 was the 56th quadrennial presidential election.
A candidate for president of the United States who has been selected by the delegates of a political party at the party 's national convention -LRB- also called a presidential nominating convention -RRB- to be that party 's official candidate for the presidency.
