World War 1 By vazquezjm Jan 1, 1862 Apppointed prime minister and foreign minister of prussia by Kaiser Wilhelm I Jan 1, 1881 Italy was brought into fold with the signing of the Triple Alliance Jan 1, 1883 Austria- HUngary signed an alliance with romania Jan 1, 1887 agreed to a Reinsurance Treaty with Russia Jan 1, 1904 agreemeet finally resolved a lot of leftover colonial squabbles Jan 1, 1904 agreement finalltresolved numerous leftover coloinal squbble Jun 28, 1914 Austro- Hungarian throne in Sarajevo's Jul 28, 1914 Austria- Hungary declared war Aug 23, 1914 Japan declared war Jan 1, 1915 Italy came in to the First World war, as a ally of britain, France, and Russia Jan 1, 1917 how long the offical stance would last Jan 1, 1994 Italy declared that germanys war againist france was a aggressive one