August 01, 1902
From and after July 1, 1902, each enlisted man that has been rated Seaman Gunner prior to April 1, 1902, or that holds certificate of graduation from the Petty Officers' Schools, Seaman Gunner Class, shall receive $2.00 per month in addition to the pay of his rating during current and subsequent enlistments.
THEODORE ROOSEVELT
Theodore Roosevelt, Executive Order—Affecting Rates of Pay of Certain Naval Personnel Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/206989