<P> On 11 December 1941 , Adolf Hitler and Nazi Germany declared war against the United States , the same day that the United States declared war on Germany and Italy . </P>
<P> On 11 December 1941 , Adolf Hitler and Nazi Germany declared war against the United States , the same day that the United States declared war on Germany and Italy . </P>
when did us start fighting in europe ww2
when did us start fighting in europe ww2
11 December 1941
11 December 1941