Oh Oh! We know someone who won't be happy. But is it where there use to be several proposals that didn't pass before or just went dead?
"However, the Leafs have not won the Cup since 1967, giving them the longest-active Cup drought in the NHL, and thus are the only Original Six team that has not won the Cup since the 1967 NHL expansion." Favorite phrase on the Toronto Maple Leafs Wikipedia page.