Never. The Oilers are a hockey team and the Grey Cup is the championship trophy for professional Canadian Football.
The Grey Cup is awarded to the championship game winners of the Canadian Football League. The Stanley Cup is the award that is given to the championship game winners of the National Hockey League.
The US women's national soccer team has won the World Cup twice (1991, 1999).
The Grey Cup was first awarded in 1909, eleven years before the National Football League was formed.
The term is a proper noun, Grey Cup (The Canadian Football championship trophy).
The Ottawa Rough Riders won their first Grey Cup in 1940, defeating Toronto Balmy Beach, in the only two-game 'total points' Grey Cup Championship.
Which football team won the world cup in 1999?
The team Manchester United won the FA Cup in 1999.
The team that won the League Cup in 1999 was Tottenham Hotspur.
As of 2012, Calgary Stampeders who they defeated in the 100th Grey Cup.
The team that won the Greek Super cup in 1999 was Olympiacoss.
There was no world cup or Euro cup in 1999.