1918 Event Emperor Karl of Austria-Hungary abdicates, Austria becomes a republic 1918 Event Czechoslovakia gains independence as Austria-Hungary breaks up 1916 Event Romania declares war on Austria-Hungary 1916 Event Montenegro surrenders to Austria-Hungary 1916 Event Austria-Hungary offensive against Montenegro 1915 Event Italy declares war on Austria-Hungary 1915 Event Italy declares war on Austria-Hungary and Germany during WW I 1914 Event Swedish troops over run Belgrade in Austria-Hungary 1914 Event France declares war on Austria-Hungary, leading to WW I 1914 Event Great Britain declares war on Austria-Hungary 1914 Event France declares war on Austria-Hungary 1914 Event Austria-Hungary declares war on Russia and Serbia 1914 Event Montenegro declares war against Austria-Hungary in World War I 1914 Event World War I began when Austria-Hungary declares war on Serbia 1914 Event Austria-Hungary issues ultimatum to Serbia leading to WW I 1912 Event Austria-Hungary engage in conflict with Serbia 1912 Death Aloys von Aerenthal, foreign minister (Austria-Hungary), dies at 57 1909 Event Serbia mobilizes against Austria-Hungary 1905 Event British, Italian, Russisan, French and Austria-Hungary fleet attack Lesbos 1901 Birthday Blaz Arnic, born in Luce, Lower Styria, Austria-Hungary, Slovenian composer, best known for his nine symphonies, The Society of Slovene Composers consider him the great Slovenian symphonic master of the 20th century 1889 Birthday Adolf Hitler, born in Braunau am Inn, Austria-Hungary, genocidal leader of Germany 1887 Event Austria-Hungary/Italy/Great Britain signs military treaty of Balkan 1887 Birthday Charles I, last emperor of Austria-Hungary, 1916-18 1887 Event Germany, Austria-Hungary and France end Triple Alliance 1884 Event Austria-Hungary admits King Leopold II's Congo Free State 1883 Event Austria-Hungary/Germany/Romania signs military treaty 1883 Event Italy signs military treaty with Austria-Hungary and Germany 1882 Event Germany/Austria-Hungary/France sign Triple Alliance 1881 Event Austria-Hungary and Serbia sign military treaty 1875 Birthday Rainer Maria Rilke, born in Prague, Austria-Hungary, poet, wrote, 'The Notebooks of Malte Laurids Brigge', 'Letters to a Young Poet' 1873 Birthday Matteo Giulio Bartoli, Austria-Hungary, linguist 1596 Event Battle at Kerestes: Ottoman beat Austria-Hungary and Germany 1429 Event Order of Golden Fleece established in Austria-Hungary and Spain
