Claim: In 1649, Matthias Palbitzki was sent to Republic of Venice (a sovereign state and maritime republic in parts of present-day Italy (mainly northeastern Italy) which existed from 697 AD until 1797 AD) to negotiate for mediation in the conflict with Poland and the Grand Duchy of Tuscany, and in 1651, he undertook further diplomatic missions.
Evidence: Beginning in 1649 sent him Queen Christina diplomatic mission in the Republic of Venice, where he was to negotiate for mediation in the conflict with Poland and the Grand Duchy of Tuscany. In 1651, he undertook further diplomatic missions to Madrid. The Republic of Venice (Italian: Repubblica di Venezia; Venetian: Repùblega de Venèçia) or Venetian Republic (Italian: Repubblica Veneta; Venetian: Repùblega Vèneta), traditionally known as La Serenissima (English: Most Serene Republic of Venice; Italian: Serenissima Repubblica di Venezia; Venetian: Serenìsima Repùblega Vèneta), was a sovereign state and maritime republic in parts of present-day Italy (mainly northeastern Italy) which existed from 697 AD until 1797 AD.