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
Archduke Carl Christian of Austria founders of the Belgian branch of the Habsburg imperial family. Carl Christian married his second cousin Princess Marie Astrid of Luxembourg, eldest child and daughter of Jean, Grand Duke of Luxembourg and his wife Princess Joséphine-Charlotte of Belgium, on 6 February 1982 in Luxembourg. They have five children: Archduke Carl Christian of Austria Archduke Carl Christian of Austria (; born 26 August 1954 at Château de Belœil in Belœil, Belgium) is a Belgian aristocrat and a member of the formerly ruling Austro-Hungarian House of Habsburg-Lorraine. He is the third child of Archduke Carl Ludwig of Austria and his wife, Princess