1911 Encyclopædia Britannica, Volume 11… (1911)
“ Though in 1235 he had recognized the overlordship of Hungary, yet, when he found himself hard pressed by the Mongolian general Batu, he called in the assistance of Innocent IV., and accepted the crown of Galicia from the hands of a papal legate; and again, when Innocent disappointed his expectation, he returned to his former connexion with the Greek Church. On the extinction of his line in 1340 Casimir III. of Poland incorporated Galicia and Lemberg; on Casimir’s death in 1370 Louis the Great of Hungary, in accordance with previous treaties, became king of Poland, Galicia and Lodomeria ”
