Premise: The American Civil War was fought in the United States from 1861 to 1865 . Walter `` Walt '' Whitman ( [ ˈhwɪtmən ] May 31 , 1819 -- March 26 , 1892 ) was an American poet , essayist , and journalist . Born in Huntington on Long Island , Whitman worked as a journalist , a teacher , a government clerk , and -- in addition to publishing his poetry -- was a volunteer nurse during the American Civil War . He continued expanding and revising it until his death in 1892 .
Hypothesis: Walt Whitman volunteered during the American Civil War in 1933.
Label: CONTRADICTION