The Marine Corps 237th Birthday is November 10th, 2012. The Commandant and Sgt. Maj. of the Marine Corps, Gen. James F. Amos and Sgt. Maj. Micheal P. Barrett, present the 2012 Marine Corps Birthday Message. This year marks the 70th Anniversary of the Battle of Guadalcanal where Marines won a hard fought and highly significant victory against the Japanese creating many combat legends in the process. Happy Birthday Marines and Semper Fidelis!