He at once made peace with his cousin; restored him his patrimony; and, to secure Lithuania against the future vengeance of the Knights, Jagiello made overtures to Poland for the hand of Jadwiga, and received the Polish crown along with it, as already mentioned Before proceeding to describe the Jagiellonic period of Polish history, it is necessary to cast a rapid glance at the social and political condition of the country in the preceding Piast period.
The Jagiellonic period (1386-1572) is the history of the consolidation and fusion into one homogeneous, political whole of numerous national elements, more or less akin ethnologically, but differing immensely in language, religion and, above all, in degrees of civilization.
Jagiellonic Out of the ancient Piast kingdom, mutilated by the Period, loss of Silesia and the Baltic shore, arose a republic 1386-1572.
It is dangerous to prophesy, but all the facts and circumstances before us point irresistibly to the conclusion that had the Jagiellonic dynasty but endured this promise of empire might well have been realized.
Two centuries of Jagiellonic rule made Poland great despite her grave external difficulties.
A good guide to the history of the Jagiellonic period, 1386-1572, is also Adolf Pawinski's Poland in the 15th Century (Pol., Warsaw, 1883-1886).