5 events the sources record for this year, grouped by region.
What happened
China (2)
The Tang army invaded the northern border together with Malgal and Khitan troops, but Silla defeated them in nine battles, killing more than two thousand. (Samguk Sagi (History of the Three Kingdoms) 卷07 文武王 13年)
In intercalary fifth month of 673, Li Jinxing, Commander of the Yanshan route and General of the Right Yulin Guards, crushes the Goguryeo rebels west of the Hulu River, captures several thousand, and the rest flee to Silla. (Zizhi Tongjian (Comprehensive Mirror) 권202 673년 항)
Japan (1)
In the second month of Tenmu 2 (673), the emperor set up an altar and ascended the throne at Kiyomihara palace in Asuka. (Nihon Shoki (Chronicles of Japan) 日本書紀 卷第廿九 天武紀 2年 단락2)
Western Europe (2)
King Eorcenberht of Kent died; a synod was held at Hertford, and Æthelthryth began to found the monastery of Ely. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 673 항 (pg657.txt 줄 1748))