17 events the sources record for this year, grouped by region.
What happened
China (11)
Pingzhang Baisa led troops against Weizhou but did not win (later he was routed by the Mongol army at the Bai Gong Temple). (History of Jin (Jinshi), Annals 金史 卷018 哀宗 天興二年正月)
On Baisa's plan, Emperor Aizong abandoned the Six Armies at night, crossed the Yellow River and fled to Guide; the next day the armies scattered. (History of Jin (Jinshi), Annals 金史 卷018 哀宗 天興二年正月)
Cui Li rebelled, killed Wanyan Nushen and others, had the empress dowager set up the Prince of Liang, and then conveyed his intent to surrender before the Mongol army. (History of Jin (Jinshi), Annals 金史 卷018 哀宗 天興二年正月)
At Qingcheng, Cui Li killed more than 500 members of the imperial clan, including Prince of Liang Congke and Prince of Jing Shouchun. (History of Jin (Jinshi), Annals 金史 卷018 哀宗 天興二年4月)
Mongol and Song troops opened the waterways and attacked Caizhou; the Mongol army broke the outer city. (History of Jin (Jinshi), Annals 金史 卷018 哀宗 天興二年12月)
In the tenth month of winter, Jiang Hai led two armies together with the Yuan forces and encircled the Jin ruler at Caizhou. (History of Song (Songshi), Annals 宋史卷041 紹定六年)
Cui Li, Jin's western field marshal, killed the administrator and surrendered Nanjing (Bianjing). (History of Yuan (Yuanshi), Annals 元史 卷2 太宗 1233年 1月)
Pil Hyeon-bo and Hong Bok-won, people of Seogyeong, kill the Seonyusa Jeong Ui and Park Nok-jeon and rise in rebellion with the castle. (Goryeosa (History of Goryeo) 世家 卷23 高宗 二十年)
Hong Bok-won flees to the Mongols and the remaining people are moved to islands, leaving Seogyeong in ruins. (Goryeosa (History of Goryeo) 世家 卷23 高宗 二十年)
1233: Pil Hyeon-bo, Hong Bok-won and others of Seogyeong kill the envoys Jeong Ui and Bak Rok-jeon and rebel with the city. Choe U sends 3,000 private troops and Min Hui to suppress them; Pil Hyeon-bo is cut in half and Hong Bok-won flees to the Mongols. The remaining people are moved to islands and Seogyeong is left in ruins (Goryeosa Jeolyo (Essentials of Goryeo History) 권16 高宗 二十年)