And here we’ve dug deep into our picture archives to bring you these fantastic pictures from United’s proud past.
Our pictures include a match at Chelsea in 1912, an FA Cup semi-final with Burnley two years later – and a look at the Blades’ famous 1915 FA Cup final win against Chelsea.
We have action from a match with Arsenal in Sept 1935, a media briefing ahead of the 1936 FA Cup final and fans making their way to the big game.
There are also Blades players taking a beach stroll and an FA Cup semi-final against Bolton.
That, and plenty more great images, are here to take you down memory lane.
Share your great Blades memories, via our social media channels.

17. IMAGNO/Austrian Archives (S)
Action from the Blades' 1-0 defeat to Arsenal at Wembley on the 1936 FA Cup final on 25th April. Photo: Getty Images

18. Spurs v Blades - 1954
Blades goalkeeper Ted Burgin, saves a shot at close range against Tottenham Hotspur at White Hart Lane Photo: Getty Images

19. Arsenal v Blades - 1965
Arsenal centre-forward Joe Baker gets his head to the ball before his shot is stopped by Blades keeper Alan Hodgkinson during a match at Highbury on 6th November 1965. Photo: Getty Images

20. The Blades - 1973/74
The Sheffield United team ahead of the 1973/74 season. They finished 13th in the First Division and made early exits in the both the FA Cup and League Cup. Photo: Getty Images