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 Germany be able to govern without its interference until elections had been held. This led to eight Reichstag elections taking place in the 14 years of the Republic's existence; only one parliamentary term, that of 1920–1924, was completed without elections being held early. Socialist East Germany established the office of a head of state with the title of President of the Republic (German: "Präsident der Republik") in 1949, but abandoned the office with the death of the first president, Wilhelm Pieck, in 1960 in favour of a collective head of state. All government positions of the East German socialist republic, including