historical geographic location Kingdom of Prussia http://purl.bioontology.org/ontology/MESH/D055787 https://en.wikipedia.org/wiki/Kingdom_of_Prussia https://en.wikipedia.org/wiki/Prussia A German kingdom that constituted the state of Prussia between 1701 and 1918. It was the driving force behind the unification of Germany in 1871 and was the leading state of the German Empire until its dissolution in 1918. Although it took its name from the region called Prussia, it was based in the Margraviate of Brandenburg, where its capital was Berlin. Former state in north central Germany. Formally abolished March 1, 1947. Kingdom established 1701. Prussia Prussian