Hubertusburg, Peace of (hōbĕrˈtŏsbŏrkh) [key], 1763, treaty signed on Feb. 15 between Austria and Prussia at the end of the Seven Years War. It was signed at Hubertusburg, Saxony (in present-day E Germany), a castle (built 1721–33) then used as a hunting lodge by the electors of Saxony. Prussia retained possession of Silesia and emerged as the leading power in Germany. In return, it promised to support the Archduke Joseph (later Holy Roman Emperor Joseph II) at the election of the king of the Romans. Saxony, included in the peace, was restored to its prewar limits.
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