Archduke Franz Ferdinand, heir to the throne of the Austro-Hungarian Empire, and his wife Sophie are assassinated in Sarajevo, Bosnia.
Period: to
Austria-Hungary WW1
Austria-Hungary accuses Serbian complicity in the assassination
Austria-Hungary sends troops to Serbia.
Austria-Hungary declares war on Serbia.
Austrians bombard Serbian capital Belgrade.
Great Britain gives Austria-Hungary ultimatum to stand down from hostilities. When Austria-Hungary doesn't comply a state of war is declared at 11.00pm
France declares war on Austria Hungary
Japan declares war on Austria Hungary
Italy declares war on Austria-Hungary.
August 1st four battles of Isonzo
Italians launch unsuccessful attack on Austria Hungary to be called 1st Battle of Isonzo. Of which are 12 total attacks.
fifth battle of Isonzo
the Russian Brusilov Offensive begins on the Eastern Front. It nearly cripples Austria-Hungary out of the war.
Austro Hungary forces capture Belgrade
Battle of Caparetto
eleventh and final battle of Isonzo
United States declares war on Austria-Hungary
Treaty of Brest-Litovsk signed by central powers and soviet Russia
Austro-Hungarians lose to Italy in Battle of Piave
send notes to President Woodrow Wilson requesting armistice
