United States Marine Corps served as a convenient resource for interventions and landings to protect American interests overseas. The Corps was involved in over 28 separate interventions in the 30 years from the end of the American Civil War to the end of 19th century. They would be called upon to stem political and labor unrest within the United States. Under Commandant Jacob Zeilin's tenure, Marine customs and traditions took shape: the Corps adopted the Marine Corps emblem on 19 November 1868. It was during this time that "The Marines' Hymn" was first heard. Around 1883, the Marines adopted their current motto ""Semper Fidelis""
United States Marine Corps birthday United States Marine Corps birthday The United States Marine Corps Birthday is celebrated every year on 10 November with a traditional ball and cake-cutting ceremony. On that day in 1775, the Continental Marines were established. The official birthday of the United States Marine Corps is on 10 November 1775. That was the day when the Second Continental Congress established the Continental Marines with the following decree: Tun Tavern, in Philadelphia, Pennsylvania, is regarded as the birthplace of the Corps as the location of the first Marines to enlist under Commandant Samuel Nicholas, though it is disputed if a recruiting drive