Their Greatest Hits (1971?1975) is the first compilation album by the American rock band The Eagles released in 1976. The album was ranked number four on Billboard's year-end album chart for 1976, and has spent a total of 239 weeks on the Billboard 200 (as of August 2018). The RIAA (Recording Industry Association of America) has certified the album 38 times platinum, indicating sales of 38 million copies in America alone, which would make Their Greatest Hits (1971?1975) the best-selling album of the 20th century in the United States. The album contains The Eagles classics like Witchy Woman, The Best of My Love, and Take It Easy.