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
Christian Wulff 31 May 2010. He won 625 of 1242 votes on the third ballot of the Federal Convention. He became Germany's youngest president at the age of 51 and was sworn in on 2 July 2010 in front of the Bundestag and the Bundesrat. His main contender in the election was Joachim Gauck, a civil rights activist from East Germany and a former Federal Commissioner for the Stasi Records. Not a member of any party himself, Gauck was nominated by the opposition SPD and Greens as their presidential candidate on . Wulff was succeeded as Premier of Lower Saxony by David