On this Day May 26, 1969
Origin of article http://www.thisdayinmusic.com/onthisday.php?factid=6646
and Yoko Ono began an eight-day ‘bed in’, in room 1742 of The Hotel La Reine Elizabeth, Montreal, Canada, to promote world peace. They recorded ‘Give Peace a Chance’ in the hotel room (Petula Clark can be heard on the chorus). The song was credited to Lennon & McCartney, even though Paul had nothing to do with the record.