<Table> <Tr> <Td_colspan="3"> League of Nations </Td> </Tr> <Tr> <Td_colspan="3"> Société des Nations (French) Sociedad de Naciones (Spanish) </Td> </Tr> <Tr> <Td_colspan="3"> Intergovernmental organisation </Td> </Tr> <Tr> <Td_colspan="3"> <Table> <Tr> <Td> </Td> <Td> 1920--1946 </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="3"> World map showing member states of the League of Nations on 18 April 1946, when the League of Nations ceased to exist . </Td> </Tr> <Tr> <Td_colspan="2"> Capital </Td> <Td> Geneva, Switzerland </Td> </Tr> <Tr> <Td_colspan="2"> Languages </Td> <Td> <Ul> <Li> French </Li> <Li> English </Li> <Li> Spanish </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> Political structure </Td> <Td> Intergovernmental organisation </Td> </Tr> <Tr> <Td_colspan="2"> Secretary ‐ General </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> 1920--33 </Td> <Td> Sir Eric Drummond </Td> </Tr> <Tr> <Td> </Td> <Td> 1933--40 </Td> <Td> Joseph Avenol </Td> </Tr> <Tr> <Td> </Td> <Td> 1940--46 </Td> <Td> Seán Lester </Td> </Tr> <Tr> <Td_colspan="2"> Deputy Secretary - General </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> 1919--23 </Td> <Td> Jean Monnet </Td> </Tr> <Tr> <Td> </Td> <Td> 1923--33 </Td> <Td> Joseph Avenol </Td> </Tr> <Tr> <Td> </Td> <Td> 1937--40 </Td> <Td> Seán Lester </Td> </Tr> <Tr> <Td_colspan="2"> Historical era </Td> <Td> Interwar period </Td> </Tr> <Tr> <Td> </Td> <Td> Treaty of Versailles </Td> <Td> 10 January 1920 </Td> </Tr> <Tr> <Td> </Td> <Td> First meeting </Td> <Td> 16 January 1920 </Td> </Tr> <Tr> <Td> </Td> <Td> Dissolved </Td> <Td> 20 April 1946 </Td> </Tr> <Tr> <Td_colspan="3"> <Table> <Tr> <Td> </Td> <Td> Succeeded by </Td> </Tr> <Tr> <Td> </Td> <Td> <Table> <Tr> <Td> United Nations </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> a . </Td> <Td_colspan="2"> ^ The headquarters were based from 1 November 1920 in the Palais Wilson in Geneva, Switzerland, and from 17 February 1936 in the purpose built Palace of Nations also in Geneva . </Td> </Tr> </Table> <Tr> <Td_colspan="3"> League of Nations </Td> </Tr>

Where did the formation of the league of nations take place
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