The Pan-German League (German: Alldeutscher Verband) was an extremist, ultra-nationalist political interest organization which was officially founded in 1891, a year after the Zanzibar Treaty was signed. It was concerned with a host of issues, concentrating on imperialism, anti-semitism, the Polish Question, and support for German minorities in other countries. The purpose of the league was to nurture and protect the ideology of German nationality as a unifying force. By 1922, the League had grown to over 40,000 paying members. Berlin housed the central seat of the league, including its president and its executive, which was capped at a maximum of 300. Full gatherings of the league happened at the Pan-German Congress. Although numerically small, the League enjoyed a disproportionate influe