5 events the sources record for this year, grouped by region.
What happened
China (3)
The faction of Princess Taiping plotted rebellion in the seventh month, and Emperor Xuanzong arrested and executed Xiao Zhizhong and Cen Xi at court, eliminating Princess Taiping's power. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書 卷8 先天2年 7月)
The rebellion of Princess Taiping and of Cen Xi, Xiao Zhizhong and Dou Huaizhen was put down with executions, and Xuanzong began to rule in person. (New Book of Tang (Xin Tangshu), Annals 新唐書 卷005 睿宗·玄宗 開元1年7月)
In 713, Princess Taiping flees to a mountain temple and comes out three days later; she is forced to die at home, and her sons and dozens of her partisans are killed. (Zizhi Tongjian (Comprehensive Mirror) 권210 713년 항)
Japan (2)
Five districts of Tamba are split off to form Tango Province, six of Bizen to form Mimasaka Province, and four of Hyūga to form Ōsumi Province, established for the first time. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀 卷第6 「夏四月乙未。割丹波國」)
Generals and solders of the Hayato campaign who had merit, about 1,280 persons, are granted honors according to their merit. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀 卷第6 「秋七月丙寅。詔曰。授」)