Moroccan traveller Ibn Battuta reports the existence of the ngoni and balafon musical instruments, at the court of Mansa Musa. Births May 5 – Rupert of Germany, Count Palatine of the Rhine (d. 1410) Elizabeth of Slavonia, Latin empress consort of Constantinople date unknown John Holland, 1st Duke of Exeter (d. 1400) Vytautas the Great, Grand Duke of Lithuania (d. 1430) Deaths September 15 – Ewostatewos, Ethiopian monk and religious leader (b. 1273) December 6 – Pope Clement VI (b. 1291) date unknown Matthias of Arras, French architect (b. 1290) Elizabeth of Carinthia, Queen of Sicily, regent of Sicily (b. 1298) William de Ros, 3rd Baron de Ros (b. 1325) Basarab I of Wallachia Al-Hakim II, Caliph of Cairo Laurence Minot, English poet (b. 1300) Vasilii Kalika, Archbishop of Novgorod Yoshida Kenkō, Japanese monk and author (b. 1283) References