The first decade of 20 th century, saw increasing, diplomatic tension, between the great European powers , this reached a breaking point , on 28 June 1914 , when a Bosnian Serb, named gavrilo princip, assassinated archduke franz ferdinand, heir to the Austro –Hungarian throne , Austria , Hungary held Serbia responsible, and declared war on 28 July , Russia came to Serbia defence, and by 4 august, Germany, France and Britain were drawn into the war with the Ottoman Empire joining in November the same year
Germany strategy, in 1914 was to first defeat France , by moving and attacking, through Belgium , before turning to face Russia , however this failed by the end of 1914 , as the war expanded, Bulgaria, Romania , Greece and Italy and others also joined the war , between 1915 and 1917 , in early 1917 , United States, joined the war on the side of allies
World war 1 was the deadliest war , in history, The First World War was won by , the allies consisting of the United Kingdom, France , United States, Italy and Japan , they defeated the central powers of Germany, austro –Hungary empire and the Ottoman Empire , it lasted from 1914 , and lasted until, the signing of Versailles treaty of peace in 1919
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