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Truce of Altmark

European history

Quick Summary

The Truce of Altmark, signed on September 26, 1629, was an agreement between Sweden and Poland that brought a six-year halt to their conflict during the Second Northern War. Swedish King Charles XII negotiated this truce, which saw Poland make significant territorial concessions to Sweden. This agreement allowed Sweden to redeploy its forces, with the intention of intervening in the Thirty Years' War in the Holy Roman Empire. The truce was facilitated by French and British mediators.12

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