-
-
Assassination of Archduke Franz Ferdinand.
-
Austria- Hungary declares war on Serbia
-
Serbia Enters War.
-
France declares war on Germany.
-
Germany declares war on France.
-
Great Britain Declares War on Germany.
-
Belgium begins to be invaded by Germany.
-
Russia declares war on Germany.
-
Ottoman navy attacked Russian ports in the Black Sea, which also made Turkey enter the war.
-
Italy enters World War 1 by declaring war on Austria-Hungary.
-
Bulgaria enters World War 1.
-
Germany declares war on Portugal, forcing them to enter the war.
-
Romania enters World War 1.
-
Greece enters World War 1 as pasrt of the Allies.