February 9, 2017 all-day
Feb 9, 1964. British pop phenomenon The Beatles began the “British Invasion” of America with their appearance on America’s top television variety show. They performed five songs before a screaming studio audience of 728. The estimated viewership for that night’s show was 73 million people— making it the most-viewed US TV program in history up to that time.
Image Source: Nationaal Archief, Permission: http://www.gahetna.nl/over-ons/open-data