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 (1919–1945) The law provided that the presidency was open to all German citizens who had reached 35 years of age. The direct election of the president occurred under a form of the two round system. If no candidate received the support of an absolute majority of votes cast (i.e. more than half) in a first round of voting, a second vote was held at a later date. In this round the candidate who received the support of a plurality of voters was deemed elected. A group could also nominate a substitute candidate in the second round, in place of the candidate