Triple: 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)

What is a sentence that describes this triple?
The vacator was clarence n. brunsdale (r) and the successor was installed on august 8th, 1960.