For nearly half a century, there’s been little thought about the name Congress gave to the Gulf of Mexico Fishery Management Council — until now. On Monday, President Donald Trump signed an order to rename the waterbody to the “Gulf of America” on federal agency maps, contracts, and other documents and communications.

Renaming it the Gulf of America would apply only in the US. And the long global history of disputed place names suggests it could be a brief experiment anyway.

Mexican President Claudia Sheinbaum has an answer for President Donald Trump about his idea of renaming the Gulf of Mexico to the “Gulf of America:” he can call it whatever he wants on the American part of it.