The world in 664 AD — what happened that year

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

What happened

Kim Inmun and Cheonjon concluded an alliance at Ungjin with the Tang envoy Liu Renyuan and Buyeo Yung of Baekje. (Samguk Sagi (History of the Three Kingdoms) 卷06 文武王 4年)

In Tenji year 3, defensive garrisons (sakimori) and beacon fires were set at Tsushima, Iki and Tsukushi, and a great embankment (Mizuki) was built at Tsukushi to hold water. (Nihon Shoki (Chronicles of Japan) 日本書紀卷第廿七天智紀 3年 단락55)

An eclipse occurred, and a great plague struck the island of Britain, killing Bishop Tuda and others. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 664 항 (pg657.txt 줄 1713))
The Synod of Whitby: the Scottish (Colman) and Roman (Wilfrid) positions contended over the date of Easter, and Oswy chose the Roman custom. (Bede, Ecclesiastical History of the English People Bede HE 3.25)
Colman, defeated, returned home, and Tuda succeeded him as bishop. (Bede, Ecclesiastical History of the English People Bede HE 3.26)
Egbert, an Englishman, lived the monastic life in Ireland. (Bede, Ecclesiastical History of the English People Bede HE 3.27)
Wilfrid was consecrated bishop of Northumbria in Gaul, and Ceadda in the land of the West Saxons. (Bede, Ecclesiastical History of the English People Bede HE 3.28)