-
Archduke Francis Ferdinand was assassinated while visiting Sarajevo, Bosnia
-
Austria-Hungry declares war on Serbia and Russia mobilizes
Mobilization- assembling troops and supplies for war -
Germany declared war on Russia
-
Great Britain declares war on Germany for violation of Belgium's neutrality.
-
Germany declared war on France.
-
German U-Boats sink the Lusitania in Britiah waters.
-
Italy betrays Triple Alliance by attacking Austia.
-
Germany sends the Zimmerman Telegraph to Mexico that was intercepted by Great Britain.
-
The US joined World War I.
-
The last Czar of Russsia and his family are killed.
-
Allies advance toward Germany, As German gamble fails.
-
The Treaty of Versailles was signed by representatives of 27 allied countries.