February 1, 1964 was the day that a Beatles song hit Number One for the first time in the USA. The song was “I Want To Hold Your Hand”. The Beatles flew into JFK on February 7 and made their first appearance on Ed Sullivan two days later. And we all had a gear time!

https://www.rockhall.com/inductees/beatles
http://www.rollingstone.com/music/lists/100-greatest-beatles-songs-20110919/i-want-to-hold-your-hand-19691231