Dziaržava vołataŭ. Alhierd i Kiejstut – haspadary Vialikaha Kniastva Litoŭskaha (1345 – 1377 h.) = Realm of Giants. Alhierd and Kiejstut – the Rulers of the Grand Duchy of Lithuania (1345 – 1377)

This essay from the “The Lives of the Grand Dukes of Lithuania” Series tells a story of more than thirty years-long joint reign of Alhierd and Keistut, sons of Hiedymin, in Lithuania. The author is a professional historian and the doctor of historical sciences. The story of friendship and of brotherly loyalty in literary form and based on historical sources. For everyone who is interested in the History of Belarus.