Plaque: Last Beatles' concert
Erection date: 5/4/2019
The Beatles played their last live performance on the roof of this building, 30th January 1969.
Note that that, though blue, this is not an English Heritage plaque. At Beatles in London the 'plaque committee' is given as Richard Porter, David Rosen of Pilcher Hershman, Mark Baxter of Mono Media Films, and David Stark of Songlink.
Site: Last Beatles' concert (1 memorial)
W1, Savile Row, 3
From MentalFloss: "On January 30, 1969, at lunch time, The Beatles appeared on the rooftop of their record label’s headquarters, unannounced, and started performing. Londoners looked on with excitement and bafflement as the world’s biggest band, which hadn’t played live in two and a half years, tried out new material for 42 minutes. It would end up being their final live show." That site has a 3 minute video of the event.