an Entity references as follows:
This is a list that encompasses and includes all reigning leaders/rulers in the history of Ukraine. This page includes the titles of the Grand Prince of Kyiv, Grand Prince of Chernigov, Grand Prince of Pereyaslavl, Grand Prince of Galicia–Volhynia, Hetman of Ukraine and President of Ukraine. The following list begins with the leaders who ruled over the territory of Ukraine during Antiquity and is followed by the princes who ruled the principalities that constituted Kyivan Rus and continues with the presidents of Ukraine.