|Covid-19|August 13 – Empress Eudokia, wife of Heraclius, dies of epilepsy. She leaves two children, and is buried in the Church of the Holy Apostles in Constantinople.
King Theudebert II is defeated by his brother Theuderic II at Toul (north-eastern France). He is captured in battle and, after having his royal paraphernalia taken, is handed over to his grandmother Brunhilda. He is put in a monastery, and assassinated with his son Merovech. Theuderic, age 25, becomes sole ruler of Austrasia and Burgundy.
Sisebut succeeds Gundemar as king of the Visigoths. He begins a campaign against the remains of Byzantine power in Spania.
Goguryeo–Sui War: Emperor Yángdi invades Goguryeo (Korea) with an expeditionary force of over one million men, named the "24 Armies".
Battle of Salsu: A Sui force of 305,000 men is defeated by the Korean general Eulji Mundeok at the Yalu River; only 2,700 troops survive.
October 22 – Sak K'uk' succeeds her father Aj Ne' Yohl Mat, as queen of the Maya state of Palenque (modern Mexico).
Columbanus moves to Italy and establishes the monastery of Bobbio (approximate date).
The Holy Sponge is brought to Constantinople from Palestine.
Arnulf, counselor of Theudebert II, becomes bishop of Metz.
Gallus founds the monastery of St. Gallen (Switzerland).
Aisha, wife of Muhammad (d. 678)
May 3 – Constantine III, Byzantine emperor (d. 641)
Germanus of Granfelden, Frankish abbot (approximate date)
K'ak' Chan Yopaat, king (ajaw) of Copán (approximate date)
Oswiu, king of Northumbria (approximate date)
Áed Uaridnach, High King of Ireland
Aj Ne' Yohl Mat, king of Palenque
Bertha, wife of Æthelberht of Kent
Conall Laeg Breg, king of Brega (Ireland)
Eudokia, Byzantine empress
Gundemar, king of the Visigoths
Janaab' Pakal, king of Palenque
Theudebert II, king of Austrasia (b. 586)
Year 612 (DCXII) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. The denomination 612 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.