Carlsburg, 17th century fortress near Weser River, Bremerhaven, Germany
The fortification stands at the strategic meeting point of the Weser and Geeste rivers, featuring military architecture from the Swedish colonial period.
Swedish architect Nicodemus Tessin designed this fortress in 1672 as part of Sweden's territorial expansion following their victory in the Thirty Years' War.
The fortress name honors Swedish King Charles XI and represents northern German military construction techniques from the 1600s.
Visitors can reach the historical site by following the riverside path from central Bremerhaven, with informational panels explaining the fortress layout.
The garrison of 800 soldiers with 72 cannons successfully defended against the first siege before surrendering in 1676 due to food shortages.
Location: Bremerhaven
GPS coordinates: 53.54000,8.58333
Latest update: March 6, 2025 09:57
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