of Emperor Charles I of Austria to return the Empire to federalism (such as the abortive United States of Greater Austria plan). President Wilson's refusal to accept an end to the war on any other terms led directly to the collapse of the Empire in 1918. Prominent supporters Archduke Franz Ferdinand of Austria Charles I of Austria Josip Jelačić Janez Bleiweis Karel Havlíček Borovský Jernej Kopitar Anton Tomaž Linhart Franz Miklosich František Palacký Josip Juraj Strossmayer See also Austromarxism and national personal autonomy Czechoslovakia–Yugoslavia relations Euro-Slavism Neo-Slavism Pan-Slavism Olomouc University in the year of revolutions Trialism in Austria-Hungary References External links Austroslavism at Encyclopedia of history of Ukraine Pan-Slavism Federalism in Austria-Hungary Politics of Austria-Hungary Political history of the Czech Republic Habsburg Bohemia Modern history of Slovenia Habsburg period in the history of Slovakia Croatia under Habsburg rule Revolutions of 1848