Hakoinen Manor (Haga gård) is one of the oldest and most well-known manor houses in Finland. Its history is related to the adjacent hill fort and the estate may have existed already in the pre-historic era (and at least in the Iron Ages). After the Häme castle was built in the 14th century, Hakoinen was changed as a residence of bailiffs. Hakoinen is mentioned in a letter written by King Erik XIII of Pomerania in 1411. The owners of estate are known since 1540.
The construction of current large main building began in 1796 or 1797, but it was not completed before the end of Finnish War 1808-1809. The original appearance is well-preserved. Other buildings date mainly from the 18th and 19th centuries.
There is an unique furniture collection in Hakoinen manor in a so-called 'King's room'. It was originally located to the Stockholm Royal Palace during the reign of Gustav III and owned by Adolf Fredrik Munck.
Today the manor is still privately owned by Rosenberg family and not open to the public.
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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.