Work on building Haderslev Cathedral began in the mid-13th century. It was originally a large cross-shaped single-naved church built of bricks and granite cubes recycled from an older church. Only the original transept is still standing. The church nave was soon expanded to include three tall naves under one roof. This type of church is called a hall church. The present three-naved choir from 1400 is one of the most beautiful choirs from the Gothic period and has three incredibly tall 16-metre windows that allow the light to flood in. When South Jutland was reunified in 1920, the church was elevated to the status of a cathedral in the newly established Haderslev Diocese.
References:Towering 52 meters above the sea, Bengtskär lighthouse is the tallest one in Scandinavia. The building started in in 1905 after the shipwreck of S/S Helsingfors and was completed in 1906. The lighthouse was designed by architect Florentin Granholm. On December a special petrol lantern, designed and built in Paris, was brought to Bengtskär and installed atop the tower.
German fleet bombarded Bengstkär in the First World War in 1914. Since the Gulf of Finland was heavily mined, it was not until 1919 that the surrounding seas were declared safe for shipping, that the light was lit again.
After the war the military value of Bengtskär increased as part of the defence system of independent Finland. In Second World War (1941) Soviet Union made a suprise attack to island. After a bloody battle, the small Finnish garrison emerged victorious. Intermittent repairs to the facility continued during the post-war period.