Green received his country's highest award for bravery during combat, the Medal of Honor.

[1] Green's medal was won for his actions in the Battle of Missionary Ridge, Chattanooga, Tennessee, on November 25, 1863.

He joined the US Army from Columbus, Ohio in April 1861, and mustered out with his regiment in June 1864.

[1] The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to Corporal George Green, United States Army, for extraordinary heroism on 25 November 1863, while serving with Company H, 11th Ohio Infantry, in action at Missionary Ridge, Tennessee.

Corporal Green scaled the enemy's works and in a hand-to-hand fight helped capture the flag of the 18th Alabama Infantry (Confederate States of America).