when was happy xmas war is over released

Happy Xmas (War Is Over) was originally released in 1971 as a single by John Lennon and Yoko Ono, with backing vocals by The Harlem Community Choir. The song was inspired by Lennon's feelings of peace and hope during the Christmas season, and its message of goodwill and reconciliation has since become a beloved Christmas classic. The song has been covered by various artists over the years, including Bono and The Chieftains, and has become a staple of Christmas radio playlists.