980

980 in various calendars
Gregorian calendar	980; CMLXXX
Ab urbe condita	1733
Armenian calendar	429; ԹՎ ՆԻԹ
Assyrian calendar	5730
Balinese saka calendar	901–902
Bengali calendar	387
Berber calendar	1930
Buddhist calendar	1524
Burmese calendar	342
Byzantine calendar	6488–6489
Chinese calendar	己卯年 (Earth Rabbit); 3677 or 3470; — to —; 庚辰年 (Metal Dragon); 3678 or 3471
Coptic calendar	696–697
Discordian calendar	2146
Ethiopian calendar	972–973
Hebrew calendar	4740–4741
Hindu calendars
- Vikram Samvat	1036–1037
- Shaka Samvat	901–902
- Kali Yuga	4080–4081
Holocene calendar	10980
Iranian calendar	358–359
Islamic calendar	369–370
Japanese calendar	Tengen 3; (天元３年)
Javanese calendar	881–882
Julian calendar	980; CMLXXX
Korean calendar	3313
Minguo calendar	932 before ROC; 民前932年
Nanakshahi calendar	−488
Seleucid era	1291/1292 AG
Thai solar calendar	1522–1523
Tibetan calendar	阴土兔年; (female Earth-Rabbit); 1106 or 725 or −47; — to —; 阳金龙年; (male Iron-Dragon); 1107 or 726 or −46

Millennium:	1st millennium
Centuries:	9th century; 10th century ; 11th century;
Decades:	960s; 970s; 980s ; 990s; 1000s;
Years:	977; 978; 979; 980 ; 981; 982; 983;

Year 980 (CMLXXX) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar.

Events

Peace is concluded between Emperor Otto II (the Red) and King Lothair III (or Lothair IV) at Margut, ending the Franco-German war of 978–980. Lothair renounces his claim on Lower Lorraine, while Otto promises to recognize Lothair's son Louis V as the rightful heir of the West Frankish Kingdom.
June 11 – Vladimir I (the Great), grand prince of Kiev, consolidates the Kievan realm from modern Ukraine to the Baltic Sea. Vladimir is proclaimed ruler (knyaz) of all Kievan Rus'.
Fall – Otto II sets off on his first expedition to Italy. He leaves the government in the hands of Archchancellor Willigis. Otto is accompanied by his wife, Empress Theophanu.^[1]
Winter – Otto II celebrates Christmas with his family at Ravenna. He receives the Iron Crown of Lombardy as the King of Italy.
King Harald Bluetooth orders the construction of the Viking ring fortress of Trelleborg (modern Denmark).

Viking raids from Scandinavia threaten the southern English coast after a pause of 25 years. Hampshire and the Isle of Thanet are ravaged.

The Dari dialect (which will become the major language of Persia) is developed in the royal courts of the Samanid Empire in Central Asia.

The Kilwa Sultanate, centered at Kilwa (an island off modern Tanzania), is founded by Ali ibn al-Hassan Shirazi, Persian prince of Shiraz.^[2]

Notker (or Notger), Frankish Benedictine monk and bishop, founds the Prince-Bishopric of Liège (modern Belgium) which will remain an independent state inside the Holy Roman Empire for more than 800 years.

^ Reuter, Timothy (1999). The New Cambridge Medieval History, Volume III, p. 254. ISBN 978-0-521-36447-8.
^ James Hastings (2003). Encyclopedia of Religion and Ethics - Part 24, p. 847 (Kessinger Publishing).