High Quality Content by WIKIPEDIA articles! The Treaty or Peace of Saint-Germain-en-Laye of 19 June (OS) or 29 June (NS) 1679 was a peace treaty between France and the Electorate of Brandenburg. It restored to France`s ally Sweden her dominions Bremen-Verden and Swedish Pomerania, lost to Brandenburg in the Scanian War. Sweden ratified the treaty on 28 July 1679.