15th century: Maire o Ciaragain leads Irish clans in rebellion.[citation needed] 15th century: Isabella, Duchess of Lorraine, leads an army to rescue her husband from the Duke of Burgundy.[citation needed] 15th century: Mandukhai Khatun takes command of the Mongol army and defeats the Oirats.[90] 15th century: Claude des Armoises was a soldier in Italy.[91] Mid-15th century: Zaydi Yemeni chieftain Sharifa Fatima conquers San‘a’.[92] 1419: Margaret of Bavaria defend French Burgundy against John IV, Count of Armagnac.[93] 1420: Joan of France, Duchess of Brittany, launches war against the Penthievre clan in Brittany and their strongholds one by one until she conquers the last, to free her consort, the duke, who was taken prisoner by the Penthievre.[citation needed] 1428: Cecília Rozgonyi commanded her own ship in battle toward the Ottoman Empire under Sigismund of Hungary at Golubac fortress.