Arms and Armour
Daugavgrīva Castle (German: Dünamünde; Polish: Dynemunt; Russian: Усть-Двинск or Ust`-Dvinsk) is a former monastery converted into a castle, located at Vecdaugava oxbow on the right bank of Daugava, in the northern part of Riga city, in the Vidzeme region of Latvia. Nowadays here are seen only earthen ramparts.
Coalhouse Fort.
Gunpowder artillery in the Middle Ages.
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