But were you pictured when the Sunderland Echo photographers took these images at the various anniversary events of that momentous day?
We have 11 photos to share with you of people having fun at parties and re-enactment events all over Wearside and County Durham.
See if you can spot anyone you know and after you have taken a look, why not get in touch to tell us more.
See if you can spot anyone you know and after you have taken a look, why not get in touch to tell us more.
3 / 3