Grönsö (or Grönsöö) Castle was built in 1607-1610 by the Privy Council Johan Skytte. The building was constructed of brick and granite in a French style with pitched roof, ridge turrets and four rectangular corner towers. The ground floor can still be seen today with well-preserved interiors and painted ceilings from the 1600s.
Family Skytte owned Grönsö throughout the 1600s until it was reduced to the crown. After reduction, Grönsö has seen number of ownership changes. During the first half of 1700s of the castle was owned by the family Falkenberg . The castle underwent major repairs, whereby the house lost its tower in 1738. The building got its simple but stylish look that survived into modern times.
In 1700 the second half of the estate was owned by Stockholm doctor David von Schultzheim , who in 1786 built a Chinese pavilion on the waterfront, which today is one of Grönsö’s major attractions. The pavilion is located on the waterfront and built according to models of the architect William Chambers and the interior is decorated with shells and minerals from East Asia.
In 1820 Grönsö was acquired by Court Chamberlain, Reinhold Fredrik von Ehrenheim, the first in the current owner's family. The castle has never been completely reconstructed, but has gradually evolved. Traces of each period, thereby continuously preserved in the palace in an unusual way today. The castle is owned and operated today by the family von Ehrenheim and Grönsöö cultural foundation. Grönsö covers 720 hectares of land, which includes apple orchards. Castle Park renovated carefully with the help of landscape architects from the Swedish University of Agricultural Sciences.
References:The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city of Constantinople (today Istanbul) since its founding as the new capital of the Roman Empire by Constantine the Great. With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built. They were also the largest and strongest fortification in both the ancient and medieval world.
Initially built by Constantine the Great, the walls surrounded the new city on all sides, protecting it against attack from both sea and land. As the city grew, the famous double line of the Theodosian Walls was built in the 5th century. Although the other sections of the walls were less elaborate, they were, when well-manned, almost impregnable for any medieval besieger.