1793    John Graves Simcoe decides to build a fort and settlement at Toronto, having sailed into the bay there.

1795    Construction of Yonge Street, formerly recognized as the longest street in the world, begins in York, Upper Canada (present-day Toronto, Ontario).

1796    The capital of Upper Canada is moved from Newark to York.

1813    War of 1812: United States troops capture the capital of Upper Canada, York (present day Toronto, Canada).

1834    York, Upper Canada is incorporated as Toronto.

1867    Toronto becomes the capital of Ontario.

1918    First airmail service in Canada from Montreal to Toronto.

1954    The Yonge Street subway line opens in Toronto. It is the first subway in Canada.

1957    Toronto's CHUM-AM, (1050 kHz) becomes Canada's first radio station to broadcast only top 40 Rock n' Roll music format.

1966    The first color television transmission in Canada takes place from Toronto.

1975    Construction of the CN Tower is completed in Toronto, Ontario, Canada. It reaches {{convert|553.33|m|ft}} in height, becoming the world's tallest free-standing structure.

1989    SkyDome is officially opened in Toronto, Ontario

1999    Toronto, Ontario Mayor Mel Lastman becomes the first mayor in Canada to call in the Army to help with emergency medical evacuations and snow removal after more than one meter of snow paralyzes the city.

2001    Air Transat Flight 236 runs out of fuel over the Atlantic Ocean (en route to Lisbon from Toronto) and makes an emergency landing in the Azores.

2005    Boxing Day shooting on a busy shopping street in Toronto.