Swedish Invasion of Germany and Early Engagements
- When
- 1631
- Where
- Brandenburgian Bärwalde; Imperial city of Frankfurt an der Oder
- Episodes
- 2
In January 1631, Sweden and France signed the Treaty of Bärwalde, securing French subsidies for Swedish intervention in the Thirty Years' War. Following this alliance, Gustavus Adolphus advanced into Brandenburg, capturing Frankfurt an der Oder in April to secure his rear and enable further movement into Central Germany.
Episodes
- Treaty of Bärwalde
Sweden and France signed a military alliance securing French subsidies for a 36,000-strong Swedish army in Germany.
- Battle of Frankfurt an der Oder
Swedish and Scottish forces stormed the Imperial city of Frankfurt an der Oder, securing the Swedish rear for further advance.
Background and detail
Treaty of Bärwalde. On 23 January 1631, Sweden and France concluded the Treaty of Bärwalde in Brandenburg. The agreement required Sweden to maintain an army of 36,000 troops, including 6,000 cavalry, in Germany. In exchange, France committed to annual payments of 400,000 Reichsthalers, plus a retroactive payment for 1630, ensuring Swedish military presence against Imperial interests.
Battle of Frankfurt an der Oder. Swedish forces, supported by Scottish auxiliaries under John Hepburn and Robert Monro, advanced southward along the Oder. On 13 April 1631, they stormed the Imperial city of Frankfurt an der Oder after a two-day siege. This was the first Imperial town occupied outside Pomerania, securing the Swedish rear and allowing Gustavus Adolphus to advance into Central Germany.
People involved
- Gustavus Adolphus · King of Sweden
- France · Financial backer
- John Hepburn · Scottish auxiliary commander
- Robert Monro · Scottish auxiliary commander
Sources
- Treaty of Bärwalde Wikipedia, revision of 2026-02-21
- Battle of Frankfurt an der Oder Wikipedia, revision of 2026-08-19
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.