#NOW100 is officially released TODAY. What a time to be alive eh. pic.twitter.com/AlPYnJsiPE
— Sunday Times Style (@TheSTStyle) 20 July 2018
The 100th edition of Now That's What I Call Music! was released today in the UK. The first album was put out in November 1983. There have been 2-3 versions released every year since (most commonly with 3 releases a year, spring/summer/late autumn).
This is a promo video from for the first [UK] edition in 1983:
Sources: 1 | 2

did you ever own any of the now cds!?