1980 Republican presidential primaries were the selection process by which voters of the Republican Party chose its nominee for President of the United States in the 1980 presidential election . Two-term California governor Ronald Reagan was selected as the nominee through a series of primary elections and caucuses culminating in the Republican National Convention held from July 14 to July 17 , 1980 , in Detroit , Michigan
Republican National Convention
1980 Republican National Convention
1980 Republican Party presidential primaries