On 31st October 1918, Istvan Tisza was assassinated by soldiers who broke into his home. Tisza had been the Prime Minister of which country?

The First World War began on 28th July 1914 and lasted for 4 years, 3 months and 2 weeks.  During that time almost 10 million servicemen and nearly 6 million civilians were killed and over 21 million were wounded.  Almost 2% of the world's population died as a direct result of this truly horrific conflict.