President Donald Trump issued an executive order on Thursday directing the Interior Department and the U.S. Board on Geographic Names to rename Lake Ontario “Lake America” in all federal records within 30 days. The order follows the administration’s recent 50% tariffs on roughly $20 billion of Canadian goods after trade talks collapsed.

Why the name change?

Trump has long floated the idea of rebranding the Great Lakes as a symbol of American strength. In the Oval Office, he said, “We have a gulf and we have a lake. Now, all we need is an ocean,” hinting that other bodies of water could eventually be renamed as well.

Legal limits

The president has authority to change how the U.S. government refers to geographic features, but the order cannot compel Canada or other nations to adopt the new name. Lake Ontario is jointly governed under the Boundary Waters Treaty, so the change will affect only U.S. federal maps, contracts, and documents.

Impact on Canadians

Legal analysts say the rename will have “zero impact” on anyone outside U.S. jurisdiction. Canadian officials, including Prime Minister Mark Carney and Ontario Premier Doug Ford, reiterated that the lake will remain “Lake Ontario” for Canada and the world.

Implementation timeline

The Interior Department’s Geographic Names Information System will be updated immediately, and printed materials are expected to reflect the new name within the next several days.

Political context

The move comes as the Trump administration escalates a trade dispute with Canada. While a Republican‑controlled Congress may back the rename, Democrats are eyeing upcoming elections that could shift control of the House and Senate before the end of Trump’s second term.

Historical note

Lake Ontario received its name from the Indigenous Wendat word “Ontari’io,” meaning “the lake is beautiful, the lake is big.” The name has been in use since the 17th century.

Original reporting: 40/29 / KHBS (NW Arkansas) — read the source article.