612

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Year 612 (DCXII) was a leap year starting on Saturday 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.

Events

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 (northeastern 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.Roger Collins, "Visigothic Spain 409–711", (Blackwell Publishing, 2004), p. 75

Goguryeo–Sui War: Emperor Yángdi invades Goguryeo (Korea) with an expeditionary force of over one million men, named the "24 Armies".{{Cite web |url=http://rki.kbs.co.kr/english/korea/korea_history_con22.htm |title=KBS World |access-date=March 27, 2013 |archive-date=May 25, 2013 |archive-url=https://web.archive.org/web/20130525174524/http://rki.kbs.co.kr/english/korea/korea_history_con22.htm |url-status=dead }}
Battle of Salsu: A Sui force of 305,000 men is defeated by the Korean general Ŭlchi Mundŏk at the Yalu River; only 2,700 troops survive.{{Cite web |url=http://www.asianresearch.org/articles/1613.html |title=Association for Asia Research- The forgotten glory of Koguryo |access-date=March 27, 2013 |archive-url=https://web.archive.org/web/20090228103748/http://www.asianresearch.org/articles/1613.html |archive-date=February 28, 2009 |url-status=dead }}

October 22 – Sak Kʼukʼ succeeds her father Ajen 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).