https://irishnumberones.com/2026/04/15/john-lennon-yoko-ono-happy-xmas-war-is-over/Irish Number Onesen2026-04-15T07:03:24+00:00John Lennon and Yoko Ono and the Plastic Ono Band with the Harlem Community Choir – ‘Happy Xmas (War Is Over)’Christmas, 70s, 1973