File:Wilson announcing the break in the official relations with Germany.jpg

http://en.wikipedia.org/wiki/Image:Wilson_announcing_the_break_in_the_official_relations_with_Germany.jpg "President Wilson before Congress, announcing the break in the official relations with Germany. February 3, 1917." Public domain, från http://teachpol.tcnj.edu/amer_pol_hist/thumbnail292.html