October 1, 1990. He later served as the parliamentary assistant for two other ministers. While in the legislature, Mammoliti was one of the strongest critics of same-sex marriage. He said "I believe that children pick up from their parents and if we extend the definition of spouse and open up traditional families, those children will be influenced in a way that we’ll never, ever forget." He was one of 12 NDP MPPs to break ranks and vote against the Rae government's proposed Bill 167, leading to the bill's defeat on June 9, 1994. In the 1995 provincial election, Mammoliti was defeated by Liberal city councillor Mario Sergio by almost 3,000 votes. Sergio left North York's city council to take his seat in the Ontario Legislature, and Mammoliti decided to run in the by-election to replace him on city council. He was opposed by his old rival Polsinelli, and won the election without difficulty. In 2018, Mammoliti announced he would re-enter provincial politics, and seek the Progressive Conservative Party of Ontario nomination in Brampton Centre. Thirteen days later he decided against such a run, citing his "difficult decision to continue to represent the City of Toronto" by remaining in municipal politics. Toronto City Council On city council, he was noted for his unsuccessful attempt to lure a National Hockey League team to North York. When North York and other municipalities were merged to form the new City of Toronto in 1997, Mammoliti was elected to the Toronto City Council. At around the same time, he quit the NDP and joined the Liberal Party (this decision did not affect his standing on council, as all Toronto councillors are elected as independents). On council, his highest profile role was as the chair of the Toronto Zoo. He has also served as Chair of the Affordable Housing Committee, Chair of the Toronto Zoo Board, Co-Chair of Canada Municipalities Housing Action Network – Federation of Canadian Municipalities (FCM), Chair of the City's International Committee, as well as a member of Toronto's Executive Committee. He also attracted attention due to a bitter dispute with then-councillor Rob Ford. The two represented neighbouring wards and generally represented the right-wing, but were frequently in conflict, generally over Ford's fiscal conservatism, and particularly over Mammoliti's office budgets. In one argument, Ford reportedly called Mammoliti "Gino Boy", which was taken as an anti-Italian slur. As a result of Ford's comment, Mammoliti