The history of the Sjundby manor castle dates back to year 1417. The present main building was built in the 1560’s by Jakob Henriksson. It was made of grey stone and had also a defensive purpose. Sjundby has been a residence for several noble families. The most well-known owner was Sigfrid Wasa, the daugher of the king Eric XIV. After her Adlercreutz family had owned Sjundby over 300 years to the present. Only exception was in 1944-1956, when the Porkkala area was rent to Russians and used as a garrison.
Sjundby is one of the finest stone buildings in Finland. The castle is in private possession but is also open to visitors (contact info@seaction.com).
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.