8 events the sources record for this year, grouped by region.
What happened
China (2)
Zhang Fu captured Tran Quy Khoach in Laos and presented him, and Jiaozhi was pacified. (History of Ming (Mingshi), Annals 明史 卷7 永樂十二年)
At Hulan-Hushiwen he crushed Mahamu's attack and pursued him to the Tula River; Mahamu fled at night. (History of Ming (Mingshi), Annals 明史 卷7 永樂十二年)
Korean Peninsula (1)
105 Japanese who complained that the bell had been procured late come to Ulsan and make trouble (Annals of the Joseon Dynasty 太宗實錄 十四年 · 太宗實錄 12책 28권 10장 A면 · 기사 wca_11408007_003)
Southeast Asia (1)
In a dream the king saw a prophet; he converted to Islam under Makhdum Abdul Aziz, of a ship from Jeddah, received the name Muhammad Shah, and the prime minister and the people followed him. (Malay Annals (Sejarah Melayu) Leyden 1821 p.93)
West Asia (2)
Mehmed's son Murad later goes to Amasya. Meanwhile Manuel's son John takes a Russian princess as bride, renamed Anna; she dies of plague three years later. (Doukas, History 20 (Bonn p.98))
While Mehmed is in Thrace, Karaman plunders Prousa, digs Bayezid's remains out of the tomb and burns them. Mehmed turns back and punishes him. (Doukas, History 21 (Bonn p.103))
Southern Europe (1)
Mehmed crosses to Asia Minor and pacifies Pergamon, Kyme (Cumae), the Kagazik fortress and Nymphaion in turn. (Doukas, History 21 (Bonn p.103-104))
Eastern Europe & Russia (1)
Metropolitan Photius, going to Lithuania, is robbed by Vitovt. (Novgorod First Chronicle litopys 기사 1414년)