How many times has the us congress formally declared war against another country?

The last time Congress formally declared war was World War II in 1941. Since then there have been extended military engagements, although votes were taken in Congress for the approval of the President's call to arms, no formal declaration of war has been made since 1942 when we declared war against Bulgaria, Hungary and Romainia.

it has been 68 years since we have had a war that was acually declared by congress

that a long time

since then we have had 5 major fights that were not just short term they were battles for our lives

in 1941, we declared war on japan after the pearl harbor attack