But apart from Sunderland’s 4-1 over Chelsea and spectacular firework displays across the world, what do you remember of Wearside in December 1999?
Take a look at our photo selection to give you a reminder of a memorable month.
And why not share your own memories of 20 years ago.
1. Christingle inSeaham
Here is a scene from the Camden Square Primary School Christingle Service in December 1999. Photo: Sunderland Echo
2. Traditional carols at Christmas
A Victorian evening of Christmas carol singing got our photographer's attention in Sunderland in 1999. Photo: Sunderland Echo
3. Getting into the festive spirit
SAFC fans don red and white for the Christmas match against Manchester United in 1999. They got to watch a 2-2 draw. Photo: Sunderland Echo
4. Ready to perform
A scene from the Hastings Hill Junior School production of Cinderella. Remember this? Photo: Sunderland Echo