Historians say the lake’s name was first used by Europeans in the 1600s, and the name first appeared on maps of North America as early as the 1660s.Canada announces new tariffs on the U.S. as trade tensions rise02:52Get more newsLiveonAug. 25, 2026, 12:19 PM EDTBy Gary GrumbachPresident Donald Trump on Tuesday threatened to change the name of Lake Ontario to Lake America as a trade war between the U.S. and Canada escalated. Just a moment.We are getting your experience ready.
Can Trump actually change the name of Lake Ontario?
Historians say the lake’s name was first used by Europeans in the 1600s, and the name first appeared on maps of North America as early as the 1660s.
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