Uncle Sam and Columbia in an 1869 cartoon by Thomas Nast. Uncle Sam often personified the United States in political cartoons, such as this one in 1897 about the U.S. annexation of Hawaii.
https://en.wikipedia.org/wiki/Uncle_Sam
Poster by the United States Fuel Administration in World War One, Uncle Sam needs that extra shovelful. The term Uncle Sam is reputedly derived from Samuel Wilson, a meat packer from Troy, New York, who supplied rations for the soldiers during the War of 1812.
https://en.wikipedia.org/wiki/Uncle_Sam
Uncle Sam, of course! For almost 200 years, the cartoon-like character of Uncle Sam has symbolized the United States. When an object or idea — like an entire country, for example — is made to seem like a real person, we call that personification.
http://wonderopolis.org/wonder/who-is-uncle-sam/
Though the image of Uncle Sam was made popular by Thomas Nast and the cartoonists of Puck Magazine, the portrait of Uncle Sam created by James Montgomery Flagg for the July 6, 1916, issue of Leslie’s Weekly soon led to Uncle Sam’s iconic status.
http://blogs.loc.gov/teachers/2014/07/uncle-sam-american-symbol-american-icon/
The connection between the popular cartoon figure and Samuel Wilson of Troy, NY was reported in the New York Gazette on May 12, 1830, and later confirmed by Samuel Wilson's great-and great-great-nephews. By the early twentieth century, there was little physical resemblance left between Samuel Wilson and Uncle Sam. As a symbol of an ever-changing nation, Uncle Sam had gone through many incarnations. Initially cartoon versions of Sam were very familiar to those of Brother Jonathan.
http://xroads.virginia.edu/~CAP/SAM/sam.htm
He was a businessman during the War of 1812. 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.
http://blogs.loc.gov/teachers/2014/07/uncle-sam-american-symbol-american-icon/
Uncle Sam was officially adopted as a national symbol of the United States of America in 1950. Boys and Girls: You can help Uncle Sam Win the War, 1917. The Library’s Teachers Page has a primary source set that features the symbols of the United States of America.
http://blogs.loc.gov/teachers/2014/07/uncle-sam-american-symbol-american-icon/
Although Uncle Sam is one of our most familiar icons, many Americans have little or no concept of his origins. If pressed, the average American might point to the early twentieth century and Sam's frequent appearance on army recruitment posters. In reality, however, the figure of Uncle Sam dates back much further. Uncle Sam is the culmination of a tradition of representative male icons in America which can be traced well back into colonial times. The actual figure of Uncle Sam, however, dates from the War of 1812.
http://xroads.virginia.edu/~CAP/SAM/sam.htm
Nope! The cartoon-like character we quickly recognize as Uncle Sam was actually invented by artists who created political cartoons for newspapers. One of the most famous cartoonists to draw Uncle Sam was a man named Thomas Nast. He drew many of the first cartoons of Uncle Sam in the late 1860s and early 1870s. Probably the most famous picture of Uncle Sam, though, was on a U.S. Army recruiting poster.
http://wonderopolis.org/wonder/who-is-uncle-sam/
This article is about the national personification of the United States. For other uses, see Uncle Sam (disambiguation) . J. M. Flagg 's 1917 poster, based on the original British Lord Kitchener poster of three years earlier, was used to recruit soldiers for both World War I and World War II.
https://en.wikipedia.org/wiki/Uncle_Sam
who was the famous political cartoonist who made uncle sam popular
James Montgomery Flagg was the famous political cartoonist who made Uncle Sam popular.