Historical clue formulations

• Last new Beatles track before their split in 1970 — 2018-01-19
• One of two Harrison compositions on the Beatles' "Let It Be" — 2017-12-16
• George Harrison's autobiography — 2012-01-03
• Song on the Beatles' "Let It Be" — 2007-04-20
• Last song recorded by the Beatles — 2006-12-16
• Last song recorded by the Beatles — 2003-10-25