Click through our gallery as we take a trip down memory lane to a decade which brought us flares and sideburns as well as some iconic figures turning out for the Blades.
9. Blades photos from the 1970s
United players at the Variety Club of Great Britain dinner in September 1971. Photo: JPI Media
10. Blades photos from the 1970s
Skipper Eddie Colquhoun and his teammates read about their success in a souvenir edition of The Star at Bramall Lane in May 1971. Photo: Julia Armstrong
11. Blades photos from the 1970s
United's Geoff Salmons battles for possession against Manchester City in October 1973. Photo: Sheffield Newspapers
12. Blades photos from the 1970s
The legendary Tony Currie signs a new contract in July 1973. Photo: Sheffield Newspapers