The 78th Grey Cup was the 1990 Canadian Football League championship game played between the Winnipeg Blue Bombers and the Edmonton Eskimos at BC Place Stadium in Vancouver, BC. The Blue Bombers defeated the Eskimos, 50-11.
The 1990 Winnipeg Blue Bombers season was the 33rd season for the team in the Canadian Football League and their 58th overall. The Blue Bombers finished in 1st place in the East Division with a 12–6 record, which was also the best record in the league that year. The Blue Bombers defeated the Toronto Argonauts in the East Final and then defeated the Edmonton Eskimos in the championship game to win the 78th Grey Cup in the first ever Grey Cup match-up of prairie teams. As of 2011, this is the last year the Blue Bombers have won the Grey Cup.