Sep 05, 2014 · The Most Terrifying Lesson of World War I: War Is Not Always "Short and Sharp" Why nations like China, the United States, Russia and others should look back to the Great War for perhaps the most ... Dec 10, 2018 · The First World War was a historic event that challenged established power structures, political and military leaders. It also catapulted new ideas, new leaders and new officers onto the world stage. The United States Coast Guard, the smallest of all the U.S. military branches, was originally established as the Revenue Cutter Service in 1790. In 1915, it was reformed as the United States Coast Guard, under the Treasury Department. In 1967, the Coast Guard was transferred to the Department of Transportation.