Adolf Strassburger Sr., circus director in Germany . ~1870: Adolf Strassburger Jr. born. 1916; Adolf Strassburger sold his circus to Lorenz Hagenbeck, who continued it as Cirkus Hagenbeck. 1917: After the First World War , Adolf Strassburger started a new circus Strassburger with his brother Leopold. They traveled with the circus from Germany to the Scandinavian countries, to France, Belgium and the Netherlands. 1919: Adolf Strassburger Sr. died.