When Is The Marine Corps Birthday 2025. The 249th marine corps birthday message. Marines around the globe will celebrate 249 years of success on the battlefield and a legacy defined by honor, courage and commitment.

The commandant’s 2025 birthday video will be released no earlier than 1000 est on 1 nov 2025. 11, 2025, 249 years after the continental congress ordered that “two battalions of marines be raised.”