National Maritime Day is observed in the United States on May 22 each year. This day honors the maritime industry and its contributions to the nation's economy and security. It commemorates the first successful transoceanic voyage of a U.S. steamship, the SS Savannah, which took place in 1819. The day also recognizes the importance of the U.S. Merchant Marine and the sacrifices made by maritime workers, especially during times of war. Various events, including ceremonies and educational programs, are held to promote awareness of the maritime industry and its vital role in global trade and transportation.