-
Archduke Francis Ferdinand of Austria-Hungary is assassinated by a Serbian nationalist before he became king. This event was the trigger of WWI.
-
Because of the Archduke being assassinated, AH blames it on Serbia and declares war.
-
Because of all of the alliances formed before WWI, Germany declares war on Russia.
-
For the same reason Germany declared war on Russia, the ydeclare war on France.
-
The United Kingdom declares war on Germay, as a reaction to Germany invading Belgium.
-
AH declares war on Russia and Serbia declares war on Germany, another result of alliances and other triggers.
-
America is announced to be neutral in the war by president Woodrow Wilson.
-
The Battle of Tannenburg begins! This was fought between Russia and Germany in the first days of WWI.
