But who remembers the day that the crowds came out to see them officially unveiled?
We have reminders of shops, supermarkets, a tennis court and even a transport interchange for you to reminisce on.
Take a look through this retro collection of opening ceremonies.
1. Back to Brougham in 2006
Fourteen years ago, Hartlepool boxer Michael Hunter was joined by lots of young fans as he opened the Brougham Centre in town. Were you pictured? Photo: LH
2. Back to 2010
The opening of the new transport interchange. Remember this from ten years ago? Photo: hm
3. A flashback to 2004
The Office opening 16 years ago and H'Angus gave a helping hand. Photo: FLR
4. A big day at Burn Road
Twelve years have passed since the opening of the new Tesco store on Burn Road in Hartlepool. Are you in the picture? Photo: FLR