Under the terms of the Treaty of Roskilde in 1658, Denmark–Norway ceded the Danish provinces of Scania, Blekinge and Halland (the latter was agreed to belong to Sweden for a period of 30 years after the Peace of Brömsebro… See more

After an unsuccessful attempt to recapture the fortress in 1676, a Norwegian army under the command of Ulrik Frederik Gyldenløve returned in June 1678. Some 850 defenders faced 16.000 attackers, who fired 20-30.… See more

Instead the fortress was used as a prison. The most noted prisoner was the radical pietist Thomas Leopold, who spent 42 years of his life behind bars, 32 of those at Bohus, for his alleged heresies. His stone-clad cell stil… See more

At the end of the 18th century it was decided that the now unused fortress should be demolished. Demolition crews worked at the fortress for two months, after that the money allocated for the job had run out. Reside… See more