 Complete the following phrase:  Following World War I, the office was originally established by the Provisional National Assembly on 30 October 1918 as state chancellor of the Republic of German-Austria, and its first holder, Karl Renner, was appointed by the State Council. After the Allies declined a union between Austria and Germany, German-Austria established the First Austrian Republic and soon afterwards renamed the office from state chancellor to federal chancellor  the first federal chancellor was Michael Mayr. Ten chancellors served under the First Republic up until Chancellor Engelbert Dollfuss established the authoritarian and dictatorial Federal State of Austria. Following Dollfusss Assassination by Austrian National Socialists, Kurt Schuschnigg succeeded him as chancellor and upheld the dictatorship. Schuschnigg in turn was replaced by Arthur Seyss-Inquart, a Nazi caretaker who held the office for two days, until 