The United States has a long history of armed conflicts, but not every one of them began with an official declaration of war. In fact, the vast majority of US military interventions were launched without such a declaration being signed. Believe it or not, in the entire history of the nation, the US has officially declared war only 11 times, and the last time was during World War II.
In this gallery, we explore the process of declaring war, the alternatives to doing so, and all the times the US officially declared war on other countries. Click on.