365 Days of Claims
Claim #259 of 365
True but Misleading high confidence

The claim is factually accurate, but its framing creates a misleading impression.

culture-warinternational-relationsnamingproclamationsymbolic-action

The Claim

Proclaimed “Gulf of America Day” after the Department of the Interior officially changed the name on its mapping database.

The Claim, Unpacked

What is literally being asserted?

Two things: (1) the Department of the Interior changed the name of the Gulf of Mexico to “Gulf of America” in its official mapping database, and (2) the president proclaimed “Gulf of America Day” to mark the occasion. Both of these things happened.

What is being implied but not asserted?

That the Gulf of Mexico has been renamed — full stop. The claim implies the renaming is a completed, durable accomplishment with broad effect, not just a federal nomenclature change. It also implies this represents a meaningful governance achievement worthy of appearing in a “365 wins” list alongside policy actions with concrete effects on people’s lives.

What is conspicuously absent?

That the name change applies only within the U.S. federal government. That no other country — including Mexico, which borders approximately 49% of the Gulf’s coastline, and Cuba, which borders roughly 5% — recognizes the name. That the International Hydrographic Organization and the United Nations Group of Experts on Geographical Names continue to use “Gulf of Mexico.” That the name “Gulf of Mexico” has been in continuous international use since the 1550s. That even domestically, the renaming lacks congressional codification and could be reversed by a future president with a stroke of a pen. That this was one of the least popular policies of the Trump administration, with only 28-39% public support. That the White House punished the Associated Press for continuing to use “Gulf of Mexico” by barring its reporters from the Oval Office, prompting a First Amendment lawsuit.

Evidence Assessment

Established Facts

Trump signed Executive Order 14172, “Restoring Names That Honor American Greatness,” on January 20, 2025, directing the Secretary of the Interior to rename the Gulf of Mexico to the “Gulf of America” within 30 days. The EO cited 43 U.S.C. Sections 364 through 364f — the statutory authority for the U.S. Board on Geographic Names. It directed the change to apply to “the U.S. Continental Shelf area bounded on the northeast, north, and northwest by the States of Texas, Louisiana, Mississippi, Alabama and Florida.” The same order also directed reinstatement of “Mount McKinley” for Denali. 1

The Department of the Interior implemented the name change on January 24, 2025, announcing that “Gulf of America” was effective immediately for federal use. Secretary Doug Burgum subsequently issued Secretary’s Order 3423 on February 7, 2025, formally directing the Board on Geographic Names (BGN) to update the Geographic Names Information System (GNIS) — the federal government’s official repository of domestic geographic names. The USGS timed its GNIS and National Map update to coincide with the proclamation, retroactive to January 20, 2025. 2

Trump proclaimed February 9, 2025, as “Gulf of America Day” while flying over the Gulf on Air Force One en route to Super Bowl LIX in New Orleans. The proclamation called upon “public officials and all the people of the United States to observe this day with appropriate programs, ceremonies, and activities.” Like all commemorative-day proclamations, it carries no binding legal force — it does not create a federal holiday, require any federal action, or bind any non-federal entity. 3

The name change applies only to U.S. federal nomenclature and has no international legal effect. The Congressional Research Service (CRS Report IF12881) confirmed that BGN decisions apply only to federal publications. Under international naming conventions, the UN recognizes that “when countries sharing a given geographical feature do not succeed in agreeing on a common name, the name used by each of the countries concerned will be accepted.” The president cannot unilaterally rename an international body of water bordered by three nations. 4

Mexico explicitly rejected the name change. President Claudia Sheinbaum responded by displaying a 17th-century map at her press conference and sarcastically proposing that North America be renamed “America Mexicana.” She stated: “Under no circumstance will Mexico accept the renaming of a geographic zone within its own territory and under its jurisdiction.” Mexico noted it controls approximately 49% of the Gulf’s coastline (compared to the U.S.’s ~46% and Cuba’s ~5%). Mexico subsequently sued Google for displaying “Gulf of America” to U.S. users on Google Maps. 5

The International Hydrographic Organization and the United Nations continue to recognize “Gulf of Mexico.” The IHO moved to a numerical identifier system in 2020 but maintains recognition of the traditional name. UNGEGN has not adopted “Gulf of America.” No international body has recognized the new name. 6

Strong Inferences

The name “Gulf of Mexico” has been in continuous use since 1550, when it first appeared on a world map. European explorers had previously used various names including “Gulf of Florida,” “Sea of the North,” and “Gulf of New Spain.” The name derives from the Mexica people, as mariners needed to cross the gulf to reach Mexico. It has been the internationally standard name for over 470 years. 7

The renaming remains legally fragile without congressional codification. The House passed H.R. 276, the “Gulf of America Act,” on May 8, 2025, which would codify the name change in federal law. However, as of March 2026, the bill sits on the Senate Legislative Calendar (Calendar No. 73) without a floor vote. Executive orders can be revoked by a subsequent president; only legislation would make the change durable. The fact that the House felt compelled to pass a codification bill implicitly acknowledges the executive order’s impermanence. 8

This was consistently one of the administration’s least popular policies. The Harvard CAPS/Harris Poll found only 28% support for the Gulf renaming in January 2025, rising modestly to 37-39% by March-April 2025. Every other major Trump policy polled higher. Even among the administration’s own supporters, the Gulf renaming was a low-priority item. 9

The White House’s response to media outlets that continued using “Gulf of Mexico” raised First Amendment concerns. The Associated Press was barred from Oval Office events and Air Force One beginning February 11, 2025, after refusing to adopt “Gulf of America” in its style guide. AP sued, and a federal judge ruled in April 2025 that the ban was unlawful, ordering the White House to restore AP access. An appeals court partially stayed the order in June 2025. The dispute demonstrated that the administration treated the symbolic naming change as more consequential than the naming change itself — punishing editorial independence over a body of water’s label. 10

What the Evidence Shows

The claim is factually accurate in its narrow assertions: the Department of the Interior did change the name in the GNIS database, and Trump did proclaim “Gulf of America Day.” But the claim is structured to create a misleading impression of what actually happened and what it means.

The name “Gulf of America” exists only within the U.S. federal government’s internal nomenclature system. It is not recognized by Mexico (which borders half the Gulf), Cuba, the International Hydrographic Organization, the United Nations, or any international body. The name “Gulf of Mexico” has been in continuous use for over 470 years across all nations and languages. A president directing a federal database change and issuing a commemorative-day proclamation does not rename an international body of water — it changes how U.S. federal documents refer to it.

This item is part of a broader renaming cluster in the “365 wins” list, alongside the Mount McKinley reinstatement (item 257), the Fort Benning renaming (item 210), the Fort Bragg reinstatement (item 209), the “Department of War” rebranding (item 218 context), and the Victory Day proclamations (item 218). Together, these items reveal a pattern: symbolic naming actions that can be executed entirely through executive authority, require no congressional approval, produce no measurable policy outcome, and serve primarily as cultural signaling. They are governance theatre — the administrative equivalent of planting a flag.

The “Gulf of America Day” proclamation is particularly revealing. Like all commemorative-day proclamations, it carries no legal force, creates no holiday, and binds no one. It exists primarily as a media event — in this case, literally signed aboard Air Force One for the cameras on the way to the Super Bowl. The fact that the administration then punished the nation’s oldest wire service for declining to adopt the new name suggests the symbolic value of the renaming was more important than any practical governance function it served.

The Bottom Line

The claim is technically accurate: the Interior Department did update its mapping database, and Trump did proclaim “Gulf of America Day.” These things happened. But listing a federal database change and a ceremonial proclamation as a presidential “win” inflates a symbolic action into the appearance of substantive governance. The United States can call the Gulf whatever it wants in its own documents — that is within any sovereign’s prerogative. But the Gulf of Mexico has been called the Gulf of Mexico by the international community for nearly five centuries, and it will continue to be called that by the other nations that border it, the international organizations that chart it, and the majority of Americans who were polled on the question. The name change exists in GNIS; it does not exist in international law, international cartography, or international recognition. Filing this alongside actual policy outcomes is padding the list with executive signatures.

Footnotes

  1. White House, “Executive Order 14172: Restoring Names That Honor American Greatness,” January 20, 2025. https://www.whitehouse.gov/presidential-actions/2025/01/restoring-names-that-honor-american-greatness/ ↩

  2. Department of the Interior, “Interior Department Advances Restoration of Historic Names Honoring American Greatness,” January 24, 2025; Secretary’s Order 3423, February 7, 2025. https://www.doi.gov/pressreleases/interior-department-advances-restoration-historic-names-honoring-american-greatness ↩

  3. White House, “Gulf of America Day, 2025,” February 9, 2025. https://www.whitehouse.gov/presidential-actions/2025/02/gulf-of-america-day-2025/ ↩

  4. Congressional Research Service, “Trump Administration Actions: Geographic Naming,” IF12881, updated May 9, 2025. https://www.everycrsreport.com/reports/IF12881.html ↩

  5. NPR, “Mexico’s President Sheinbaum threatens to take legal action over the Gulf name change,” February 17, 2025; Al Jazeera, “Mexico sues Google over Gulf of America label,” May 9, 2025. https://www.npr.org/2025/02/17/g-s1-49328/mexicos-president-sheinbaum-threatens-to-take-legal-action-over-the-gulf-name-change ↩

  6. NPR, “The Gulf of America renaming is official — at least within the U.S.,” February 12, 2025. https://www.npr.org/2025/02/12/nx-s1-5293212/the-gulf-of-america-renaming-is-official-at-least-within-the-u-s ↩

  7. Encyclopaedia Britannica, “Gulf of Mexico / Gulf of America”; TSHAONLINE, “Gulf of Mexico.” https://www.britannica.com/place/Gulf-of-Mexico-Gulf-of-America ↩

  8. Congress.gov, H.R. 276 Gulf of America Act, All Actions. https://www.congress.gov/bill/119th-congress/house-bill/276/all-actions ↩

  9. Harvard CAPS/Harris Poll, February 2025; March 2025; April 2025. https://harvardharrispoll.com/press-release-february-2025/ ↩

  10. U.S. Press Freedom Tracker, “AP reporters barred from White House events over editorial style policy,” 2025; NPR, “Judge orders White House to give AP access to Oval Office,” April 8, 2025. https://pressfreedomtracker.us/all-incidents/ap-reporters-barred-from-white-house-events-over-editorial-style-policy/ ↩