President of Germany them to the President of the Bundesrat. If the president dies, resigns or is otherwise removed from office, a successor is to be elected within thirty days. Horst Köhler, upon his resignation on May 31, 2010, became the first president to trigger this re-election process. Jens Böhrnsen, President of the Senate and Mayor of the Free Hanseatic City of Bremen and at the time President of the Bundesrat, assumed the powers and duties of head of state. Similarly, when Christian Wulff resigned in 2012, it was Horst Seehofer, Minister-President of Bavaria, as President of the Bundesrat, who assumed the powers
President of East Germany re-elected in 1953 and in 1957. Shortly after the death of Pieck on 7 September 1960, the Constitution was amended. The "Law concerning the formation of the State Council" of 12 September 1960 introduced a collective head of state instead of the presidency, the State Council of East Germany. In the last, democratic phase of East Germany in 1989/90, the State Council was abolished; President of the People's Chamber Sabine Bergmann-Pohl acted as head of state. The President of the Republic was elected for a term of four years by the "Volkskammer" and the "Landerkammer", meeting in joint session, which