“In the Year 2525 (Exordium and Terminus)” is a hit song from 1969 by the American pop-rock duo of Dennis Zager and Richard Evans. It reached number one on the Billboard Hot 100 for six weeks commencing July 12, 1969. The song was written and composed by Rick Evans in 1964 and originally released on a small regional record label (Truth Records) in 1968. A year later, an Odessa, Texas, radio station popularized the disc, which RCA Records quickly picked up for nationwide distribution. “In the Year 2525” hit six weeks number one spot on the Hot 100 in 1969.