<Table> <Tr> <Th_colspan="2"> Social Democratic Party of Germany Sozialdemokratische Partei Deutschlands </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Abbreviation </Th> <Td> SPD </Td> </Tr> <Tr> <Th> Leader </Th> <Td> Olaf Scholz (Acting) </Td> </Tr> <Tr> <Th> Secretary - General </Th> <Td> Lars Klingbeil </Td> </Tr> <Tr> <Th> Deputy Leaders </Th> <Td> <Ul> <Li> Ralf Stegner </Li> <Li> Thorsten Schäfer - Gümbel </Li> <Li> Olaf Scholz </Li> <Li> Manuela Schwesig </Li> <Li> Natascha Kohnen </Li> <Li> Malu Dreyer </Li> </Ul> </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 23 May 1863 (154 years ago) (1863 - 05 - 23) </Td> </Tr> <Tr> <Th> Merger of </Th> <Td> ADAV and SDAP </Td> </Tr> <Tr> <Th> Headquarters </Th> <Td> Willy - Brandt - Haus D - 10911 Berlin </Td> </Tr> <Tr> <Th> Newspaper </Th> <Td> Vorwärts </Td> </Tr> <Tr> <Th> Student wing </Th> <Td> <Ul> <Li> Sozialistischer Deutscher Studentenbund (1946--61) </Li> <Li> Sozialdemokratischer Hochschulbund (de) (1961--72) </Li> <Li> Juso - Hochschulgruppen (since 1973) </Li> </Ul> </Td> </Tr> <Tr> <Th> Youth wing </Th> <Td> Jusos </Td> </Tr> <Tr> <Th> Women's wing </Th> <Td> Association of Social Democratic Women </Td> </Tr> <Tr> <Th> Membership (January 2017) </Th> <Td> 433,000 </Td> </Tr> <Tr> <Th> Ideology </Th> <Td> <Ul> <Li> Social democracy </Li> <Li> Pro-Europeanism </Li> </Ul> </Td> </Tr> <Tr> <Th> Political position </Th> <Td> Centre - left </Td> </Tr> <Tr> <Th> European affiliation </Th> <Td> Party of European Socialists </Td> </Tr> <Tr> <Th> International affiliation </Th> <Td> <P> Progressive Alliance </P> </Td> </Tr> <Tr> <Th> European Parliament group </Th> <Td> Progressive Alliance of Socialists and Democrats </Td> </Tr> <Tr> <Th> Colors </Th> <Td> Red </Td> </Tr> <Tr> <Th> Bundestag </Th> <Td> 153 / 709 </Td> </Tr> <Tr> <Th> Bundesrat </Th> <Td> 20 / 69 </Td> </Tr> <Tr> <Th> State Parliaments </Th> <Td> 516 / 1,821 </Td> </Tr> <Tr> <Th> European Parliament </Th> <Td> 27 / 96 </Td> </Tr> <Tr> <Th> Prime Ministers of States </Th> <Td> 7 / 16 </Td> </Tr> <Tr> <Th_colspan="2"> Website </Th> </Tr> <Tr> <Td_colspan="2"> www.spd.de </Td> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Politics of Germany </Li> <Li> Political parties </Li> <Li> Elections </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Social Democratic Party of Germany Sozialdemokratische Partei Deutschlands </Th> </Tr>

When was social democratic party established in germany