Summary

Robert Nisbet Bain 1911 Encyclopædia Britannica, Volume 28… (1911)

After this battle Poland-Lithuania began to be regarded in the west as a great power, and Witowt stood in high favour with the Roman curia. In 1429, instigated by the emperor Sigismund, whom he magnificently entertained at his court at Lutsk, Witowt revived his claim to a kingly crown, and Jagiello reluctantly consented to his cousin’s coronation; but before it could be accomplished Witowt died at Troki, on the 27th of October 1430. He was certainly the most imposing personality of his day in eastern Europe, and his martial valour was combined with statesmanlike foresight.
Source: Wikisource

Robert Nisbet Bain 1911 Encyclopædia Britannica, Volume 28… (1911)

In the beginning of 1409 he concluded a treaty with Jagiello at Novogrudok for the purpose, and on the 9th of July 1410 the combined Polish-Lithuanian forces, reinforced by Hussite auxiliaries, crossed the Prussian border. The rival forces encountered at Grünewald, or Tannenberg, and there on the 14th or 15th July 1410 was fought one of the decisive battles of the world, for the Teutonic Knights suffered a crushing blow from which they never recovered.
Source: Wikisource

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