Premise: The Allies of World War II , called the United Nations from the 1 January 1942 declaration , were the countries that together opposed the Axis powers during the Second World War ( 1939 -- 1945 ) . World War II ( often abbreviated to WWII or WW2 ) , also known as the Second World War , was a global war that lasted from 1939 to 1945 , although related conflicts began earlier .
Hypothesis: World War II did not take place from 1939 to 1945.
Label: CONTRADICTION