The world in 670 AD — what happened that year

7 events the sources record for this year, grouped by region.

What happened

The Tibetans took eighteen prefectures, joined forces with Khotan, and attacked and took Bohuan City of Kucha. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書卷5 咸亨1年 4月)
Xue Rengui and Guo Daifeng were ambushed by the Tibetan Lun Qinling at the Dafei River and suffered a crushing defeat. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書卷5 咸亨1年 7月)
Tibet took Bohuan Castle in Kucha and abolished the Four Garrisons of Anxi. (New Book of Tang (Xin Tangshu), Annals 新唐書卷003 高宗咸亨1年4月)
Xue Rengui suffered a crushing defeat at the hands of the Tibetans at the Dafei River. (New Book of Tang (Xin Tangshu), Annals 新唐書卷003 高宗咸亨1年7月)
Seol Oyu of Silla and Go Yeonmu of Goguryeo each led ten thousand elite troops across the Yalu, reached Okgol and defeated the Malgal army. (Samguk Sagi (History of the Three Kingdoms) 卷06 文武王 10年)
The king suspected Baekje of rebellion, raised troops, took sixty-three fortresses and moved the people inland. (Samguk Sagi (History of the Three Kingdoms) 卷06 文武王 10年)
In August 670, when Xue Rengui withdraws and stations at Dafei River, the Tibetan minister Lun Qinling comes with 400,000 men and attacks; the Tang army is routed, and nearly all are killed or wounded. (Zizhi Tongjian (Comprehensive Mirror) 권201 670년 항)