After Hochosterwitz and Fortress Landskron, Glanegg is the third largest military complex in Carinthia. The history of the castle is first documented in 1121. The first owner was the Duke Henry III of Carinthia. After his death in 1122 it was inherited by his nephew, Count Bernhard von Marburg and later Otakar III. His son, Duke Ottokar IV left the castle after his death in 1192 to Leopold V. From 1473-1478 the castle was threatened by the Turks, but they failed to capture the castle. After three more owners, in 1534, King Ferdinand I owned the castle, but he had to sell it to Ulrich von Ernau because of his debts.
In 1818 by the castle was purchased by Hofrichter Hirzegger Ossiach, whose daughter, Josephine, married Klinze Glanegg, who was given the castle as a wedding present. In 1860 the castle was sold to Bregenz Mayor Ferdinand Kinz. After three more owners, the castle Glanegg finally came to a family of twins, which now own the castle.
The building is composed of various architectural elements, ranging from Romanticism to Renaissance. What is striking is the entrance to the round tower. The decay of the castle began in the mid-19th century.
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.