661

661 (DCLXI) was a common year starting on Friday of the Julian calendar, the 661st year of the Common Era (CE) and Anno Domini (AD) designations, the 661st year of the 1st millennium, the 61st year of the 7th century, and the 2nd year of the 660s decade. As of the start of 661, the Gregorian calendar was 3 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	1st millennium
Centuries:	6th century – 7th century – 8th century
Decades:	630s  640s  650s  – 660s –  670s  680s  690s
Years:	658 659 660 – 661 – 662 663 664

Events

• A series of wars begin between the Byzantine Empire and the Sassanid Empire.

661 Media

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  Expansion of the caliphate under the Umayyads:      Expansion under Muhammad, 622–632      Expansion during the Rashidun Caliphate, 632–661      Expansion during the Umayyad Caliphate, 661–750

• 

  Muawiya I became caliph in mid 661, after the Abdication of caliph al-Hasan. Muawiya established the Umayyad dynasty (Muawiya with Councillors, from the manuscript of Hafiz-i Abru’s Majma’ al-tawarikh)

Deaths

for more information, see Category:661 deaths.

• June Taejong muyeol of Silla, 29th King of Silla(Korean of ancient kingdom, B.C 57 – A.D 935)