The 64th United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C., from March 4, 1915, to March 4, 1917, during the third and fourth years of Woodrow Wilson's presidency. The apportionment of seats in the House of Representatives was based on the 1910 United States census.
President Wilson before Congress, announcing the break in the official relations with Germany. February 3, 1917.