Земский собор
The 1653 Zemsky Sobor that took place in Moscow in the fall adopted decision on including Ukraine to Muscovy and on November 2, 1653 the Moscow's government declared war onto the Polish–Lithuanian Commonwealth. To conduct negotiations between two states to Ukraine from Moscow departed a big delegation headed by boyar Vasili Buturlin. In its composition were also okolnichiy I.Olferiev, dyak L.Lopukhin and representatives of clergy.