"Walter Momper (born 21 February 1945) is a German politician of the SPD (Social Democrats) and former Governing Mayor of Berlin (West Berlin 1989–1990, reunited Berlin ...
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1990–1991). Whilst Governing Mayor, he served as President of the Bundesrat in 1989/90. He was at the opening of the Brandenburg Gate on 22 December 1989 and, on 3 October 1990, became the first mayor of a reunited Berlin." - (en.wikipedia.org 06.02.2024)
