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Oshawa
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Oshawa

Ontario, Canada
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Also known as: Skea’s Corners
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News •

Section of Highway 401 in Oshawa closed for several hours due to fatal collision • June 4, 2025, 10:03 AM ET (CBC)
Police search for suspect after attempted stabbing in Oshawa • June 3, 2025, 5:01 AM ET (CBC)
Oshawa mayor 'disappointed' Ontario budget left out addictions, mental health emergency ward for city • May 17, 2025, 4:13 AM ET (CBC)

Oshawa, city, regional municipality of Durham county, southeastern Ontario, Canada. It lies on the north shore of Lake Ontario, just northeast of Toronto. Founded as Skea’s Corners on the military Kingston Road in 1795, it was renamed Oshawa—an Indigenous word referring to a stream crossing—in 1842, when a post office was established there. The city, which is now a port of entry and a major manufacturing center, is the home site of General Motors of Canada. There are also woolen mills, foundries, and plants that manufacture machine parts, fabricated metals, glass, plastics, pharmaceuticals, furniture, leather, and electrical appliances. Inc. village, 1850; town, 1879; city, 1924. Pop. (2011) 149,607; (2021) 175,383.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Teagan Wolter.