What is Walter Momper?
{{Infobox Officeholder | honorific-prefix = | name = Walter Momper | honorific-suffix = | image = Walter Momper (2014).jpg | caption = Momper in 2014 | order = | office = [[Governing Mayor of Berlin]]{{-}}{{small|([[West Berlin]] to 3 October 1990)}} | term_start = 16 March 1989 | term_end = 24 January 1991 | deputy = [[Ingrid Stahmer]] | predecessor = [[Eberhard Diepgen]] | successor = [[Eberhard Diepgen]] <br><small>(Unified Berlin)</small> | office1 = [[Abgeordnetenhaus of Berlin|President of the Abgeordnetenhaus of Berlin]] | term_start1 = 19 November 2001 | term_end1 = 27 October 2011 | predecessor1 = Reinhard Führer | successor1 = [[Ralf Wieland]] | office2 = Member of the [[Abgeordnetenhaus of Berlin]] | term_start2 = 2 March 1975 | term_end2 = 18 September 2011 | constituency2 = [[Electoral system of Germany|Social Democratic Party List]] | birth_date = {{Birth date and age|1945|2|21|df=y}} | birth_place = [[Sulingen]], [[Lower Saxony]], [[Nazi Germany]] | death_date = | death_place = | nationality = | party = [[Social Democratic Party of Germany|Social Democratic Party]] | spouse = | relations = | children = | residence = | alma_mater = | occupation = | profession = | religion = | signature = | website = | footnotes = }} '''Walter Momper''' (born 21 February 1945) is a [[Germany|German]] [[politician]]. He was the [[Governing Mayor of Berlin]] (West Berlin 1989–1990, reunited Berlin 1990–1991). He was [[President of the German Bundesrat|President]] of the [[Bundesrat of Germany|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