These attributes belonged to Uncle Sam, as seen in the famed “I want YOU for U.S. Army” poster that helped recruit legions of young men to fight in World Wars I and II.

These attributes belonged to Uncle Sam, as seen in the famed “I want YOU for U.S. Army” poster that helped recruit legions of young men to fight in World Wars I and II.

Iconic Uncle Sam poster uses artist's own face, text from a British poster By Travis M. Andrews The Washington Post. Updated April 4, 2017 10:53 AM.

The British, however, originated the Uncle Sam concept in 1914, with their own finger-pointing war hero -- Lord Kitchener -- depicted. Its caption was "Your Country Needs You," an idea Flagg ...

These attributes belonged to Uncle Sam, as seen in the famed "I want YOU for U.S. Army" poster that helped recruit legions of young men to fight in World Wars I and II.

The famed "I want YOU for U.S. Army" poster helped recruit legions of young men to fight in World Wars I and II. The illustrator, James Montgomery Flagg, used himself as a model for the iconic image.

Iconic Uncle Sam poster uses artist's own face, text from a British poster By Travis M. Andrews The Washington Post. Updated April 04, 2017 1:53 PM.

The famed "I want YOU for U.S. Army" poster helped recruit legions of young men to fight in World Wars I and II. The illustrator, James Montgomery Flagg, used himself as a model for the iconic image.