WWI

Assassination of Archduke Franz Ferdinand of Austria

Jun 28, 1914

July Ultimatum

Jul 23, 1914

austria-hungary & serbia

Jul 28, 1914

austria declares war on serbia due to assasination

germany

Aug 3, 1914

germany declares war on france

marne

Sep 5, 1914

first battle of the marne begins

end marne

Sep 10, 1914

marne ends in french victory

germany

Sep 17, 1914

Austro-German forces launch an attack into western Poland

tsar

Sep 5, 1915

Tsar Nicholas takes commands of Russian armies.

tanks

Sep 15, 1916

Tanks introduced for the first time on the Somme battlefield by the British.

vardar

Sep 26, 1918

The Battle of the Vardar