Government of Austria commencement of the Austria Constitution on 10 November 1920 became first Federal Chancellor of Austria. Mayr and his successors proceeded with the support of the Christian Social Party and the Greater German nationalists, while the Social Democrats remained in opposition. From 5 March 1933 onwards, the Christian Social chancellor Engelbert Dollfuß continued to rule by suppressing the National Council parliament. In the course of the Austrian Civil War he brought down the opposition, and on 1 May 1934 implemented the authoritarian Federal State of Austria. All political parties were banned, except for the Fatherland's Front supporting Dollfuß' Austrofascist government. The
Chancellor of Austria sovereign head of government was the State Chancellor of the Austrian Empire, a position only held by Klemens von Metternich. The office was later renamed to Minister-President of the Austrian Empire and remained from there on until the dissolution of Austria-Hungary. The first head of government after the monarchy was the State Chancellor of German-Austria, an office again only held by one person; Karl Renner. After allied powers declined a union between Austria and Germany, the office was renamed to just State Chancellor of Austria and later changed to Federal Chancellor, which remained the position's final form until present day.