The Owls' win was even more impressive as they were still a second division team when they beat Sir Alex Ferguson’s top flight giants by a single goal to nil thanks to John Sheridan’s first-half effort on April 21, 1991.
Here's a look back at the celebrations which followed one of the proudest days in the club’s history as thousands of Wednesdayites gathered outside Sheffield Town Hall.
The 1991 League Cup success is still the Owls’ most-recent piece of silverware.
10. The homecoming
Owls fans line the route as the Sheffield Wednesday players return home with the cup to the city Photo: Sheffield Newspapers
11. Victory parade
Nigel Pearson shows off the League Cup to Owls fans at Sheffield Town Hall. Photo: JPI Media
12. The King
Phil King leans over to get a better view of the crowds at Town Hal Photo: Sheffield Newspapers