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
Russia at the 2012 Summer Olympics events. Kanaeva became the first rhythmic gymnast to win back to back gold medal at the Olympics. Volleyballer Yevgeniya Estes became the first Russian athlete to compete in six Olympic games, although she first appeared as part of the Unified Team. Meanwhile, rifle shooters Artem Khadjibekov and Sergei Kovalenko, and volleyballer Sergey Tetyukhin made their fifth Olympic appearance. Equestrian show jumper Vladimir Tuganov, at age 51, was the oldest athlete of the team, while relay swimmer Mariya Baklakova was the youngest at age 15. Other notable Russian athletes featured NBA basketball players Andrei Kirilenko and Timofey Mozgov, high jumpers Ivan