arsenic and old lace was filmed during world war 2
capra actually filmed the movie in 1941 because of star cary grant s availability  but it was not released until 1944  after the original stage version had finished its run on broadway
world war ii lrb often abbreviated to wwii or ww2 rrb  also known as the second world war  was a global war that lasted from 1939 to 1945  although related conflicts began earlier