This is prime “insane dictator” behaviour. One assumes that the next step will be renaming the calendar (Trumpuary, Muskuary, Bighandsuary, etc), a la https://en.wikipedia.org/wiki/Saparmurat_Niyazov
Gulf of Mexico has been renamed by the Interior Department to Gulf of America. Denali was also renamed back to Mt. McKinley.
Gulf of America doesn’t bother me, but I’m going to have to keep calling the mountain Denali. Better name by far imo
In other news, the UK government renames the USA to "The West Cornish Islands"