Entwicklung Bayerns von 1789 bis heute (bzw. 1950).
Own work, derivate of File:Electorate of Bavaria 1789.svg, File:German Empire - Bavaria (1871).svg, File:Weimar_Republic_-_Bavaria_(1925).svg
Don-kun, sources by User:maix, User:Alphathon, User:Milenioscuro, User:David Liuzzo