Posh had been 0-3 down with the point needed to take them up seeming a distant possibility. But a remarkable comeback and a Jonson Clarke-Harris penalty in the 96th minute of a rollercoaster game levelled the scores and took Peterborough United into the Championship.
The goal triggered wild celebrations outside the Weston Homes Stadium in London Road where fans had gathered for the game.
Players and staff went outside to celebrate with fans after the match.
Here are more of photographer David Lowndes’ images from a momentous day in Peterborough United’s history.
Darragh MacAnthony: ‘A ghost is exorcised, Operation Vengeance a roaring success, our ‘Aguero’ moment, retirement considered, my best promotion, an incredible trifecta and a calm and professional manager’
MATCHDAY TALKING POINTS: Posh were due some luck as they won promotion the right way, Clarke-Harris delivers the best club goals return for 60 years, a team with plenty of ‘bottle,’ unsung heroes step up, pride in Fergie and his backroom boys, and why Lincoln shouldn’t protest about a dodgy penalty too much