April 6, 1917: “We are provincials no longer.”

Upon Congressional approval, the United States declares war on Germany and enters World War I.

April 2, 1917 - President Woodrow Wilson asking Congress to declare war on Germany, causing the United States to enter World War I.

April 6 marks the culmination of months of international headwinds pushing a neutral United States into the European conflict known to contemporary audiences as World War I. 

After the German government introduced a policy of…