President of the United States amount of military detail handled personally by the President in wartime has varied dramatically. George Washington, the first U.S. president, firmly established military subordination under civilian authority. In 1794, Washington used his constitutional powers to assemble 12,000 militia to quell the Whiskey Rebellion—a conflict in western Pennsylvania involving armed farmers and distillers who refused to pay excise tax on spirits. According to historian Joseph Ellis, this was the "first and only time a sitting American president led troops in the field", though James Madison briefly took control of artillery units in defense of Washington D.C. during the War of 1812.
President pro tempore of the Union of South American Nations President pro tempore of the Union of South American Nations The President Pro Tempore of the Union of South American Nations is the head position and representant of the Union of South American Nations (UNASUR). At international meetings, the declarations and concerted opinions of the supranational organism are presented by the President Pro Tempore. The office is exercised for a one-year period on a pro tempore basis by one of the heads of state of each UNASUR Member State, the succession following alphabetical order. The current president is the President of Bolivia, Evo Morales. The attributions of the President Pro