The team began play 40 years ago in British Columbia in 1978 as the Vancouver Canadians .
The team played their home games at Nat Bailey Stadium through the 1999 season , their first with Oakland since 1978 .
The team began play 40 years ago in British Columbia in 1978 as the Vancouver Canadians , and played their home games at Nat Bailey Stadium through the 1999 season , their first with Oakland since 1978 .