Check out some of these celebrations from 20 years ago.
1. Party pictured from July 2003
Party pictures from the Derry Journal archives in July 2003. Michelle Downey. Photo: Derry Journal
2. Party pictured from July 2003
Party pictures from the Derry Journal archives in July 2003. Photo: Derry Journal
3. Party pictured from July 2003
Party pictures from the Derry Journal archives in July 2003. Photo: Derry Journal
4. Party pictured from July 2003
Party pictures from the Derry Journal archives in July 2003. Photo: Derry Journal