Siege of Riga (1621)

Siege of Riga
Part of the Polish–Swedish War (1621–1625)

Part of the Swedish fleet at the conquest of Riga in 1621
Date13 August – 15 September 1621
Location
Result Swedish victory
Territorial
changes
Riga is captured by Sweden
Belligerents
 Swedish Empire  Polish–Lithuanian Commonwealth
Commanders and leaders
Gustavus Adolphus
Carl Gyllenhielm
Gustav Horn (WIA)
Jacob De la Gardie (WIA)
Krzysztof Radziwiłł
Units involved
Norrland regiment Riga garrison
Relief force
Strength
15,350 infantry
2,500 cavalry
56 cannons
3,700–7,000 city burghers
300–400 soldiers
40 cannons
Relief force
1,500 men
3 cannons
Casualties and losses
Unknown Thousands killed

The siege of Riga (Swedish: Belägringen av Riga; Polish: Oblężenie Rygi) was a successful Swedish siege of Riga during the Polish–Swedish War (1621–1625). It led to the capture of the city, and subsequently sent shockwaves through Europe.