North Dakota (1) : vacator : Clarence N. Brunsdale (R) | Quentin N. Burdick (D) : date_of_successors_formal_installation : August 8, 1960 | North Dakota (1) : successor : Quentin N. Burdick (D)
The vacator was clarence n. brunsdale (r) and the successor was installed on august 8th, 1960.