Editing 980 (section)

=== By place ===
==== Europe ====
* Peace is concluded between Emperor [[Otto II, Holy Roman Emperor|Otto II]] ('''the Red''') and King [[Lothair of France|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 of France|Louis V]] as the rightful heir of the [[West Francia|West Frankish Kingdom]]. 
* [[June 11]] &ndash; [[Vladimir the Great|Vladimir I]] ('''the Great'''), grand prince of [[Kyiv]], consolidates the Kievan realm from modern [[Ukraine]] to the [[Baltic Sea]]. Vladimir is proclaimed ruler (''[[knyaz]]'') of all [[Kievan Rus']].
* Fall &ndash; Otto II sets off on his first expedition to [[Kingdom of Italy (Holy Roman Empire)|Italy]]. He leaves the government in the hands of Archchancellor [[Willigis]]. Otto is accompanied by his wife, Empress [[Theophanu]].<ref>Reuter, Timothy (1999). ''The New Cambridge Medieval History, Volume III'', p. 254. {{ISBN|978-0-521-36447-8}}.</ref>
* Winter &ndash; 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 (Slagelse)|Trelleborg]] (modern [[Denmark]]).

==== England ====
* [[Vikings|Viking]] raids from [[Scandinavia]] threaten the southern [[Kingdom of England|English]] coast after a pause of 25 years. [[Hampshire]] and the [[Isle of Thanet]] are ravaged.

==== Arabian Empire ====
* The [[Dari language|Dari dialect]] (which will become the major language of [[Iran|Persia]]) is developed in the royal courts of the [[Samanid Empire]] in [[Central Asia]].

==== Africa ====
* The [[Kilwa Sultanate]], centered at [[Kilwa Kisiwani|Kilwa]] (an island off modern [[Tanzania]]), is founded by [[Ali ibn al-Hassan Shirazi]], Persian prince of [[Shiraz]].<ref>James Hastings (2003). ''Encyclopedia of Religion and Ethics – Part 24'', p. 847 (Kessinger Publishing).</ref>