Älvsborg Fortress (Swedish: Älvsborgs fästning), with its main facility Oscar II's Fort (Swedish: Oscar II:s fort) built 1899–1907, is a now-defunct Swedish fortification located at the mouth of the Göta River in the Älvsborg district of Gothenburg, Sweden. History. Construction of the fortress began in 1899 and was completed in modern condition in 1907. In 1904 the name Älvsborg Fortress was given to the new coastal fortress at the mouth of the Göta River, whose strongest fortification, Oscar II's Fort, started construction in 1899 on Västerberget.
https://en.wikipedia.org/wiki/%C3%84lvsborg_Fortress
Älvsborg Fortress (Swedish: Älvsborgs fästning), with its main facility Oscar II's Fort (Swedish: Oscar II:s fort) built 1899–1907, is a now-defunct Swedish fortification located at the mouth of the Göta River in the Älvsborg district of Gothenburg, Sweden. History. Construction of the fortress began in 1899 and was completed in modern condition in 1907. In 1904 the name Älvsborg Fortress was given to the new coastal fortress at the mouth of the Göta River, whose strongest fortification, Oscar II's Fort, started construction in 1899 on Västerberget.
