Atlas of Battles

siege, early modern

Siege of Hammershus

Siege of Hammershus was a siege conducted on 16 June 1645 at Hammershus, in what is now Denmark; it lasted 1 day. It was part of the Torstenson War, which ran from 1643 to 1645. The recorded result: Swedish victory. Recorded strength: 900 men; 4 guns against 8–9 men; At least 3 guns.

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Fought16 June 1645lasted 1 day
WhereHammershus, Denmark55.271N, 14.755E
OutcomeSwedish victory
BelligerentsSwedish EmpireagainstDenmark–Norway
Casualties and lossesUnknownand1 wounded
Part ofTorstenson War1643 to 1645

Where it sits in the Torstenson War

Battle of Kolding, 1644Siege of Snoghøj, 1644Battle of Borst, 1644Siege of Landskrona Citadel, 1644Siege of Laholm Castle, 1644Siege of Aalborghus, 1644Battle of Fehmarn, 1644Battle of Bysjön, 1644Battle of Vänersborg, 1645Siege of Hammershus, 164516441645Siege of Hammershus, 1645
10 placed engagements of the Torstenson War in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date16 June 1645
to 17 June 1645
PlaceHammershus, Denmark
55.271N, 14.755E
KindSiege, early modern
Territorial changeHammershus is captured by Swedish forces
Strength900 men; 4 guns8–9 men; At least 3 guns
Casualties and lossesUnknown1 wounded
Commanders
Siege of HammershusSiege of HammershusAction of 7 July 1565Landing at YstadBattle of BorstSiege of ChristianstadSiege of LindholmenAction of 7 July 1565Battle of BorstSiege of ChristianstadKøbenhavnMalmöHelsingborgStralsundKoszalinKarlskrona100 km55.271N, 14.755E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in 1645

Siege of Hammershus is one of 1,470 engagements of the 17th century in the atlas and one of 65 in present-day Denmark.

Sources

Identity, coordinates, dates and the war from Wikidata Q139749790, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Hammershus, revision 1380883272, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.