"Hangin' Tough" by New Kids on the Block reached number one on the first new chart of the decade, replacing "Do They Know It's Christmas?"
[7] The longest spell at the top was achieved by Bryan Adams's song "(Everything I Do) I Do It for You", which spent 16 weeks at number one in 1991, beating the record for the longest unbroken run at the top of the charts which had been held by Slim Whitman's "Rose Marie" since 1955.
[9] Cher's song "Believe" spent 7 weeks at number-one at the end of 1998 and became the biggest-selling single by a female artist in UK history.
In April 1973, the British Phonographic Industry (BPI) began classifying singles and albums by the number of units sold.
[36] "Angels" by Robbie Williams, "Torn" by Natalie Imbruglia, and "Wonderwall" by Oasis all sold over one million copies but failed to get to number one.