On this day

Treaty of Preobrazhenskoye between Peter I and Augustus II concluded

21 November 1699

11 (21) November 1699 in the village of Preobrazhenskoye near Moscow the Russian tsar Peter I and the Saxon Prince Elector and King of the Polish–Lithuanian Commonwealth Augustus II the Strong concluded a treaty of alliance, which was called Preobrazhenskoye. The Treaty marked the beginning of formation of the Northern military alliance against Sweden.