What was The Beatles' first number one single?

The Beatles have the most number ones of any artist in musical history, but which track was their first chart-topper? And who wrote it?

Which one was truly the first Nº1 Beatles hit? : r/beatles

RetroPop - Sixty years after their first No. 1, The Beatles have

THE BEATLES songs and albums

Was George Harrison guilty of plagiarism in 'My Sweet Lord

When John Lennon compared the Beatles to Jesus in 1966

When John Lennon compared the Beatles to Jesus in 1966

How the Beatles Got Together and Became the Best-Selling Band of

The Beatles release Christmas jumper to celebrate their first

The Beatles Top Hot 100 With 'Now and Then

Four Beatles Biopics At Once?! Meet the Beatles Cinematic Universe

When the Beatles Walked Offstage: Fifty Years of “Abbey Road

The Beatles: Myths and misconceptions

Hal Leonard The Beatles - Abbey Road favorable buying at our shop

Here Comes The Sun': The Story Behind The Beatles' 'Abbey Road' Song