Governing Mayor of Berlin

As capital of the Kingdom of Prussia, Berlin received its first Lord Mayor (Oberbürgermeister) according to the Prussian reforms after the retreat of the Napoleonic occupation troops in 1809, approved by King Frederick William III. He served as head of the city council called Magistrat. The two-stage administration and the office of the boroughs' mayors were implemented in the course of the wide-ranging incorporations by the 1920 Greater Berlin Act.

During the Allied occupation after World War II, the city assembly (Stadtverordnetenversammlung) elected the Social Democratic politician Ernst Reuter as Lord Mayor on 24 June 1947, who, however, did not obtain the affirmation by the Allied Kommandatura of Berlin^[1] due to Soviet reservations. Following the Communist putsch in Berlin's city government in September 1948, a separate city parliament (still named Stadtverordnetenversammlung von Groß-Berlin) was set up, however, de facto only competent for the western occupation sectors of what was to become West Berlin was elected on 5 December 1948, electing two days later a separate city government and Ernst Reuter Lord Mayor for West Berlin. The Soviet administration had officially deposed the previous elected government for all of Berlin with effect only in the eastern sector and had installed the SED Lord Mayor Friedrich Ebert, Jr. in East Berlin already on 30 November 1948.

West Berlin introduced its own constitution (Verfassung von Berlin), accounting for the changed facts, with effect of 1 October 1950. This constitution provided for the renaming of the city parliament to "Abgeordnetenhaus von Berlin", of the city government into "Senate of Berlin" and the head of government into "Governing Mayor of Berlin".^[2] Following the new constitution representatives were elected on 3 December 1950 and the new parliament re-elected Ernst Reuter as head of city government on 18 January 1951, with Reuter then adopting the new title. From 1951 to 1990, during the Cold War, the Governing Mayor was the head of government in West Berlin with his seat at Rathaus Schöneberg, while East Berlin de jure remained under Soviet occupation and de facto became a part and capital of the East Germany — not recognized by the NATO members, but actually condoned by the 1971 Four Power Agreement on Berlin and the German Basic Treaty of 1972.

The government of West Berlin claimed to be the legitimate government for all of Berlin within the borders established by the 1920 Greater Berlin Act until the Peaceful Revolution of 1989. Even before German reunification on 3 October 1990, the West Berlin Governing Mayor and the East Berlin Oberbürgermeister held common cabinet meetings, until Berlin-wide elections took place on 2 December 1990.

Governing Mayor of Berlin (1951–present)

Political party:  SPD  CDU

No.	Portrait	Name (birth–death)	Term of office			Political party	Election
			Took office	Left office	Time in office
West Berlin (1948–1990)
West Berlin was de facto part of the Federal Republic of Germany (West Germany)
1		Ernst Reuter (1889–1953)	1 February 1951	29 September 1953 (died in office)	2 years, 240 days	Social Democratic Party	1950
2		Walther Schreiber (1884–1958)	29 September 1953	11 January 1955	1 year, 104 days	Christian Democratic Union	1950
3		Otto Suhr (1894–1957)	11 January 1955	30 August 1957 (died in office)	2 years, 231 days	Social Democratic Party	1954
4		Willy Brandt (1913–1992)	3 October 1957	1 December 1966 (resigned)	9 years, 59 days	Social Democratic Party	1954 1958 1963
5		Heinrich Albertz (1915–1993)	1 December 1966	19 October 1967 (resigned)	322 days	Social Democratic Party	1963 1967
6		Klaus Schütz (1926–2012)	19 October 1967	2 May 1977 (resigned)	9 years, 195 days	Social Democratic Party	1967 1971 1975
7		Dietrich Stobbe (1938–2011)	2 May 1978	23 January 1981 (resigned)	3 years, 266 days	Social Democratic Party	1975 1979
8		Hans-Jochen Vogel (1926–2020)	23 January 1981	11 June 1981	139 days	Social Democratic Party	1979
9		Richard von Weizsäcker (1920–2015)	11 June 1981	9 February 1984 (resigned)	2 years, 243 days	Christian Democratic Union	1981
10		Eberhard Diepgen (born 1941)	9 February 1984	16 March 1989	5 years, 35 days	Christian Democratic Union	1989 1985
11		Walter Momper (born 1945)	16 March 1989	24 January 1991	1 year, 200 days	Social Democratic Party	1989
West Berlin was reunited with East Berlin on October 3, 1990 and dissolved.
Reunified Berlin (1990–present)
City-state and capital city of the Federal Republic of Germany
		Walter Momper (born 1945) & Tino Schwierzina[3] (1927–2003)	3 October 1990	24 January 1991	113 days	Social Democratic Party	1989 (West) 1990 (East)
12 (10)		Eberhard Diepgen (born 1941)	24 January 1991	16 June 2001 (voted out by constructive vote of no confidence)	10 years, 143 days	Christian Democratic Union	1990 1995 1999
13		Klaus Wowereit (born 1953)	16 June 2001	11 December 2014 (resigned)	13 years, 178 days	Social Democratic Party	2001 2006 2011
14		Michael Müller (born 1964)	11 December 2014	21 December 2021	7 years, 10 days	Social Democratic Party	2011 2016
15		Franziska Giffey (born 1978)	21 December 2021[4]	27 April 2023	1 year, 127 days	Social Democratic Party	2021
16		Kai Wegner (born 1972)	27 April 2023	Incumbent	1 year, 5 days	Christian Democratic Union	2023

• Politics of Berlin
• History of Berlin
• Timeline of Berlin
• List of people from Berlin
• List of mayors of Berlin

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• Governing Mayor of Berlin