From BeatlesWiki

This is a list of events that occurred on a June 3 (any year).

1966

• Bass overdubs onto Take 4 of I Want To Tell You as well as four mono mixes of this song and five mono mixes of Yellow Submarine. →

[edit] to be added soon

[edit] 1964

• Rehearsals with Jimmy Nichol.
• Ninth recording session for A Hard Day's Night. Songs recorded: You Know What To Do (Demo), No Reply (Demo), and It's For You (Demo).