1968 Republican Party presidential primaries
From February 3 to July 13, 1968, voters of the Republican Party chose its nominee for president in the 1968 United States presidential election. Former Vice President Richard Nixon was selected as the nominee through a series of primary elections and caucuses culminating in the 1968 Republican National Convention held from August 5 to August 8, 1968, in Miami Beach, Florida.
Source: Wikipedia — 1968 Republican Party presidential primaries (CC BY-SA 4.0)