Locally called the Song Hong, it arises is the central Yunnan province, and is joined by the Song Li and Song Da (or Clear and Dark Rivers) on its way to the sea. Its common name derives from the large amount of silt it contains, which is deposited in a densely populated 2,700-square-mile delta on the Gulf of Tonkin.
Uncle Sam (initials U.S.) is a common national personification of the American government or the United States in general that, according to legend, came into use during the War of 1812 and was supposedly named for Samuel Wilson. Its actual origin is obscure. Uncle Sam represents a manifestation of patriotic emotion.
Thomas Nast, Cartoonists Plug Magazine and the Portrait of Uncle Sam which was created by James Montgomery Flagg in 1916 around World War I led Uncle Sam to the iconic status. Uncle Sam became one. of the popular men in the 19th century and made history of the United States of America.