Final answer:
The Naval Reserves were officially established in 1916 by the Naval Appropriations Act signed by President Woodrow Wilson.
Step-by-step explanation:
The Naval Reserves were created in the year 1916. On August 29, 1916, President Woodrow Wilson signed the Naval Appropriations Act which officially established the Naval Reserve Force. This was a significant step in bolstering the nation's military readiness by enabling civilians to train and serve in the U.S. Navy in times of war or national emergency.