 On February 23, 1875 MEBA was formed.As of 1876, Plimsoll marks were required on all U.S. vessels

In 1880, passenger steamship "Columbia" of the Oregon Railroad and Navigation Company became the first outside usage of Thomas Edison's incandescent light bulb and the first ship to use a dynamo.The Sailors' Union of the Pacific (SUP) founded on March 6, 1885, in San Francisco, California is an American labor union of mariners, fishermen and boatmen working aboard U.S. flag vessels.