9 events the sources record for this year, grouped by region.
What happened
China (6)
At Xiangzhou, Guo Ziyi and others of the field headquarters fought Shi Siming and were at a disadvantage; the nine-jiedushi army collapsed, and Guo Ziyi cut the Heyang Bridge and held Dongjing. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書 卷10 乾元2年)
The army of the Nine Jiedushi collapsed at the Fu River, and Shi Siming killed An Qingxu (the great defeat at Xiangzhou). (New Book of Tang (Xin Tangshu), Annals 新唐書 卷006 肅宗·代宗 乾元2年3月)
In October 759, Shi Siming leads troops against Heyang and sends his champion Liu Longxian below the walls to challenge them to battle. (Zizhi Tongjian (Comprehensive Mirror) 권221 759년 항)
Japan (3)
The late Gendō is raised to Outer Fifth Rank, lower grade, and made the envoy to welcome the Tang great envoy. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀 卷第22 「丁酉。授正六位上高元」)
The Dazaifu reports that, under the warning rules, more than 100 ships should be kept at the key points of Hakata-tsu, Iki and Tsushima. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀 卷第22 「庚寅。大宰府言。府官」)