In 1921, a second facility was constructed in the village of Bergedorf, Hamburg under the name Gebrüder Gies (Gies Brothers).
Johann Bernhard Wilhelm Lindenberg (September 18, 1781- June 6, 1851) was a German bryologist who worked as a lawyer in Bergedorf (today a burrough of Hamburg).
The Schmidt telescope was moved to Calar Alto in 1976 from the Hamburg Observatory at Bergedorf, where it had been completed in 1954.
Armies of both cities opened a second front and conquered Bergedorf, Riepenburg castle and the Esslingen river toll station (today's Zollenspieker Ferry) within weeks.
John guaranteed for its safe conduct first southeastwards via Lunenburg-Cellean Winsen upon Luhe and Hoopte, crossing the Elbe by Zollenspieker Ferry to the Hamburg-Lübeckian condominial Bergedorf and Vierlande.