On April 15 2003, the Blues clinched promotion to the Premier League with a 1-0 Fratton Park win over Burnley.
Twelve days later, they defeated Rotherham, also at home, to be crowned Championship champions.
And following a final day 5-0 romp at Bradford City, Blues fans came out in their thousands on Sunday, May 11.
For that was the day an open-top bus parade was held around the city, taking the players and management from Guildhall Square to Southsea seafront.
Now you can relive those heady weeks of seemingly non-stop celebrations with this nostalgia-packed photo gallery.

29. Fans celebrate in the Milton End as Pompey beat Rotherham to clinch the title
Picture by Matt Scott-Joynt Photo: -

30. Harry Redknapp and Lassina Diabate with the Championship trophy
Picture by Matt Scott-Joynt Photo: -

31. Fans celebrate along Goldsmith Avenue after Pompey had clinched the title
Picture by Matt Scott-Joynt Photo: -

32. A Pompey fan wearing The News' 'We're going up' hat prior to the win against Rotherham
Picture by Matt Scott-Joynt Photo: -
8 / 9

