Austria against Belgium, Aug. 28, 1914. Austria against Japan, Aug. 27, 1914. Austria against Montenegro, Aug. 9, 1914. Austria against Russia, Aug. 6, 1914. Austria against Serbia, July 28, 1914. Belgium against Germany, Aug. 4, 1914. Brazil against Germany, Oct. 26, 1917. Bulgaria against Serbia, Oct. 14, 1915. China against Austria, Aug. 14, 1917. China against Germany, Aug. 14, 1917. Costa Rica against Germany, May 23, 1918. Cuba against Germany, April 7, 1917. Cuba against Austria-Hungary, Dec. 16, 1917. France against Austria, Aug. 13, 1914. France against Bulgaria, Oct. 16, 1915. France against Germany, Aug. 3, 1914. France against Turkey, Nov. 5, 1914. Germany against Belgium, Aug. 4, 1914. Germany against France, Aug. 3, 1914. Germany against Portugal, March 9, 1916. Germany against Roumania, Sept. 14, 1916. Germany against Russia, Aug. 1, 1914. Great Britain against Austria, Aug. 13, 1914. Great Britain against Bulgaria, Oct. 15, 1915. Great Britain against Germany, Aug. 4, 1914. Great Britain against Turkey, Nov. 5, 1914. Greece against Bulgaria, Nov. 28, 1916. (Provisional Government.) Greece against Bulgaria, July 2, 1917. (Government of Alexander.) Greece against Germany, Nov. 28, 1916. (Provisional Government.) Greece against Germany, July 2, 1917. (Government of Alexander.) Guatemala against Germany and Austria-Hungary, April 22, 1918. Haiti against Germany, July 15, 1918. Honduras against Germany, July 19, 1918. Italy against Austria, May 24, 1915. Italy against Bulgaria, Oct. 19, 1915. Italy against Germany, Aug. 28, 1916. Italy against Turkey, Aug. 21, 1915. Japan against Germany, Aug. 23, 1914. Liberia against Germany, Aug. 4, 1917. Montenegro against Austria, Aug. 8, 1914. Montenegro against Germany, Aug. 9, 1914. Nicaragua against Germany, May 24, 1918. Panama against Germany, April 7,1917. Panama against Austria, Dec. 10, 1917. Portugal against Germany, Nov. 23, 1914. (Resolution passed authorizing military intervention as ally of England) Portugal against Germany, May 19, 1915. (Military aid granted.) Roumania against Austria, Aug. 27, 1916. (Allies of Austria also consider it a declaration.) Russia against Germany, Aug. 7, 1914. Russia against Bulgaria, Oct. 19, 1915. Russia against Turkey, Nov. 3, 1914. San Marino against Austria, May 24, 1915. Serbia against Bulgaria, Oct. 16, 1915. Serbia against Germany, Aug. 6, 1914. Serbia against Turkey, Dec. 2, 1914. Siam against Austria, July 22, 1917. Siam against Germany, July 22, 1917. Turkey against Allies, Nov. 23, 1914. Turkey against Roumania, Aug. 29, 1916. United States against Germany, April 6, 1917. United States against Austria-Hungary, Dec. 7, 1917. SEVERANCE OF DIPLOMATIC RELATIONS The Nations that formally severed relations whether afterward declaring war or not, are as follows: