Municipal government of Toronto
On January 1, 1967, several of the smaller municipalities were amalgamated with larger ones, reducing their number to six. Forest Hill and Swansea became part of Toronto; Long Branch, Mimico, and New Toronto joined Etobicoke; Weston merged with York; and Leaside amalgamated with East York. This arrangement lasted until 1998, when the regional level of government was abolished and Etobicoke, North York, East York, York, and Scarborough were amalgamated into Toronto the "megacity". Mel Lastman, the long-time mayor of North York before the amalgamation, was the first mayor (62nd overall) of the new "megacity" of Toronto, which is the successor of the previous City of Toronto.
York Centre
In 1966, it was redefined to consist of the part of Metropolitan Toronto bounded on the north by the northern limit, and on the west, south and east by a line drawn from that borough limit south along Highway 400, east along Sheppard Avenue West, south along Jane Street, southeast along Exbury Road, east along Calvington Drive, south along Keele Street, east along Highway 401, south along the Canadian National Railway line, east along Lawrence Avenue West, north along the Spadina Expressway, northeast along Highway 401, north along Bathurst Street, east along Sheppard Avenue West, south along Easton Street, east along Cameron Avenue, and north along Yonge Street to the Metro Toronto limit.