Stock Photo - Klaus Wowereit (L-R, SPD), Governing Mayor of Berlin, Church President Ulrich Seelemann, German President Joachim Gauck, his life partner Daniela Schadt, John B. Emerson, Ambassador of the United States of America, and Staffan Carlsson, Ambassador of Sweden, stand in the Church of St. Mary during a commemorative service in Berlin, Germany, 14 September 2014. The service was held on the occasion of the Rev. Martin Luther King, Jr.'s visit to Berlin 50 years ago. From 13 until 14 September 1964, the American civil rights leader visited West Berlin. A personal connection to Provost Heinrich Grueber made it possible for King to drive to East Berlin on the eve of 13 September 1964 and to preach there. Photo: Bernd von Jutrczenka/dpa | usage worldwide. - Berlin/Berlin/Germany