| Siege of Bohus fortress | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Scanian War | |||||||
 The Dano Norwegian siege of the fortress Bohus in Sweden in 1678. Drawing by the Swedish field marshal Erik Dahlberg | |||||||
| |||||||
| Belligerents | |||||||
 Sweden |
 Denmark-Norway | ||||||
| Commanders and leaders | |||||||
|
Friedrich von Börstell Carl Gustaf Frölich Gustaf Otto Stenbock |
Ulrik Frederik Gyldenløve | ||||||
| Strength | |||||||
|
Bohus garrison: 400 Relief force: 12,000 | 12,000–15,000 | ||||||
| Casualties and losses | |||||||
| Heavy | Unknown | ||||||
The siege of Bohus fortress (1678) was a siege by Dano–Norwegian troops during the Scanian War. The siege was endured by the Swedish defenders for weeks before forcing a Dano–Norwegian retreat.