Take a look at these 11 photos and see if you can see yourself or anyone you know.
5. On the dance floor
The dance floor at the 'Gatecrasher' night - held monthly at the Republic nightclub in the city centre in 2003 Photo: Sheffield Newspapers
6. Party Mood
Millennium revellers at the Don Valley stadium for the Gatecrasher event . In the party mood are these Sheffield lads, left to right, Mark Brumby, Anthony Townsend and Darren Sissons., December 3, 1999 Photo: Andrew Partridge staff
7. Pomona
Colette and the 2005 Pomona Drinking Team! Photo: Sheffield Newspapers
8. Cavendish
Pictured at the Cavendish Pub, West Street, Sheffield, where young people are seen enjoying a drink. Left to right are: Lindsay Fisher, Sean Holden, Lindsey Hara, and Matthew Hounsley, September 1998 Photo: Waistell staff