submitted to Traidenis for protection. However, Traidenis died ca. 1282 and the Grand Duchy of Lithuania was unable to reap all the benefits. The order decided to elect one grand master with the Teutonic Knights so that any future attacks would be carried out simultaneously from the west and north. References Aizkraukle Aizkraukle 1279 1279 in Europe 13th century in Lithuania Aizkraukle 1279 Aizkraukle 1279 Battles in Latvia 13th century in Latvia Aizkraukle