Ипатьевская летопись
In a Ruthenian chronicle can be found the Hypatian Codex, where at the date of 1150 one can read: "The Hungarian King Géza II of Hungary crossed the mountains and seized the stronghold of Sanok with its governor as well as many villages in the Przemyśl area". The same chronicle refers to Sanok twice more, stating that in 1205 it was the meeting place of a Ruthenian princess Anna and a Hungarian king and that in 1231 a Ruthenian prince made an expedition to "Sanok - "Hungarian Gate"".