This ruler, who adopted his grandfather’s namesake columns and cap as insignia, commissioned chronicles about Prince Palemon in Chancery Slavonic. This ruler failed to besiege a capital city with Henry Bolingbroke and the crusader who inspired “Wallenrodism” (10[1])during a civil war that destroyed Kernavė. To defend sacred groves, this ruler expelled Jerome of Prague. This ruler settled Karaites in Lutsk, confirmed Ulugh Muhammad’s rule in Kazan, and welcomed the Lipka Tatars after he (10[1])allied with Tokhtamysh to secure (-5[1])Ruthenia. (-5[1])This junior partner in the Ostrów (“AW-stroof”) Agreement sent his nephew Prince Korybut to rule the Hussites. This heirless duke of Trakai stoked the Samogitian uprisings that led to the Peace of Thorn. This Gediminid (10[1])secured his cousin Jogaila’s (10[2])1410 (10[1])victory (10[1])over the Teutonic (-5[1])Knights at Grunwald. For 10 points, name this “great” grand duke of (10[1])Lithuania. (10[1]-5[1])■END■ (10[6]0[9])