17 events the sources record for this year, grouped by region.
What happened
China (16)
From the first year of Jingyan, in the tenth month, the Yuan besieged Tanzhou; Li Fu defended it for three months, but the garrison chiefs Wu Jiming and others surrendered by handing over the city. (History of Song (Songshi), Annals 宋史卷047 瀛國公)
When the Yuan army reached Gaoting Mountain, the censor Yang Yingkui presented the imperial seal of the state and a letter of surrender. (History of Song (Songshi), Annals 宋史卷047 瀛國公)
A Yuan envoy entered Lin'an Prefecture, sealed the state records, took the registers of the Historiography Office and the official seals, and disbanded the offices and the imperial guards. (History of Song (Songshi), Annals 宋史卷047 瀛國公)
In the fifth month, Chen Yizhong and others set up Zhao Shi at Fuzhou as ruler of Song and changed the era name to Jingyan. (History of Song (Songshi), Annals 宋史卷047 二王 附)
The great army besieged Shaozhou; the garrison chief Liu Zili surrendered by handing over the city, and Xiong Fei drowned himself after street fighting. (History of Song (Songshi), Annals 宋史卷047 二王 附)
Pu Shougeng and Tian Zhenzi, Prefect of Quanzhou, surrendered by handing over the city. (History of Song (Songshi), Annals 宋史卷047 二王 附)
Tanzhou fell; the Song pacification commissioner Li Fu and his whole family threw themselves into the fire and died. (History of Yuan (Yuanshi), Annals 元史 卷9 世祖 1276年 1月)
The Song's Chen Yizhong, Zhang Shijie, and others escorted the princes Yi and Guang out through the Jiahui Gate, crossed the Zhe River and fled. (History of Yuan (Yuanshi), Annals 元史 卷9 世祖 1276年 1月)
The Song emperor sent the national imperial seal and a letter of surrender before the army. (History of Yuan (Yuanshi), Annals 元史 卷9 世祖 1276年 1月)
The Rus princes conquered and burned Dedyakov, an Alan city in southern Dagestan, took plunder and captives, and won the favor of the Khan. (No coordinates were guessed.) (Karamzin, History of the Russian State 제4권 V장)