6 events the sources record for this year, grouped by region.
What happened
China (3)
An earthquake struck Wuping, and bandits took advantage to plunder, making the people even more uneasy. (History of Yuan (Yuanshi), Annals 元史 卷16 世祖 1290年)
Tens of thousands of Hap-dan troops take Hwaju and Deungju, two districts, and kill people for food. (Goryeosa (History of Goryeo) 世家 卷30 忠烈 十六年)
Bangala is a southern province, not conquered until 1290, when Polo was at the court. (Marco Polo, The Travels (Yule translation) Book II ch. LV (Yule 영역 가운데 CONCERNING THE PROVINCE OF BANGALA.))
Japan (2)
On the night of the 9th of the 3rd month, 3 or 4 warriors on horseback burst into the inner palace; the emperor and crown prince flee, and the ringleader Asahara kills himself (Masukagami 줄 254)
Early 9th month: the Naka-no-in takes the tonsure and copies sutras such as the Nyoho-kyo at Zenrin-ji-dono (Masukagami 줄 258)
Sub-Saharan Africa (1)
Sekarau rejects his ministers' proposal of a hard line and, accepting the request of pagan chiefs who bring gifts, leaves the customs as they are (17 years without war). (Kano Chronicle Palmer 1908, Kano Chronicle §VIII Shekkarau, p.68)