"In the Year 2525" hit number one on the "Billboard" Hot 100 in 1969, ultimately claiming the top spot for six weeks. It also hit #1 in the UK. "2525" topped the charts at the time of two major cultural events: the first moon landing on July 20, 1969 and the Woodstock Music Festival a month later. The record sold over four million copies by 1970 and was awarded a gold disc by the Recording Industry Association of America (RIAA) in July 1969.