-
In 1914, Germany declares war on Russia, France and Belgium. Britain on Germany. Austria-Hungary on Russia. France and Britain on Austria-Hungary. Japan on Germany. While all of this is happening, the US is neutral
-
In 1914, Austria-Hungary declares war on Serbia.
-
Period: to
WW1
-
Towards the end of 1914, Britain and France declare war on the Ottoman Empire
-
Midway through 1915, German U-boat torpedoes the Lusitania, a British passenger liner. 128 Americans are killed.
-
In March of 1917, British intelligence intercepts the Zimmermann Telegram, a secret communication from Germany proposing an alliance with Mexico should the United States enter the war.
-
In may of 1917, The U.S. Congress authorizes the Selective Service Act, initiating the first military draft since the Civil War