June 2 1967.     The Beatles album "Sergeant Pepper's Lonely Hearts Club Band" was released in the U.S.

SGT PEPPER’S LONELY HEARTS CLUB BAND
Information from Today in Beatles History     https://on-this-day.com/cgi-bin/otd/beatlesotd.pl
Various recordings of Sgt Pepper's Lonely Hearts Club Band on YouTube     https://www.youtube.com/results?search_query=Sgt+Pepper%27s+Lonely+Hearts+Club+Band