The Number 1 single was:
Culture Beat - "Mr Vain"
For Number 1 single over the subsequent years Click Here
The Number 1 album was:
UB40 - "Promises And Lies"
For Number 1 album over the subsequent years Click Here

Born on 4th Sep:
1942 - Merald 'Bubba' Knight ( of The Pips )
1946 - Ronald Lepread ( bassist, trumpeter with The Commodores )
1951 - Martin Chambers ( drummer, The Pretenders )
1981 - Beyonce Knowles ( soloist and singer with Destiny's Child. Full name: Beyonce Giselle Knowles )