Asia

• Emperor Kazan
  Emperor Kazan
  was the 65th emperor of Japan, according to the traditional order of succession.Kazan's reign spanned the years from 984 through 986.-Traditional narrative:...
  
   succeeds Emperor En'yū
  Emperor En'yu
  was the 64th emperor of Japan, according to the traditional order of succession.En'yū's reign spanned the years from 969 through 984.-Traditional narrative:Before his ascension to the Chrysanthemum Throne, his personal name was Morihira-shinnō....
  
   on the throne of Japan
  Japan
  Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
  
  .
• The Song Dynasty
  Song Dynasty
  The Song Dynasty was a ruling dynasty in China between 960 and 1279; it succeeded the Five Dynasties and Ten Kingdoms Period, and was followed by the Yuan Dynasty. It was the first government in world history to issue banknotes or paper money, and the first Chinese government to establish a...
  
   Chinese engineer Qiao Wei innovates the first known use of the double-gated canal pound lock for adjusting different water levels in segments of the Grand Canal of China
  Grand Canal of China
  The Grand Canal in China, also known as the Beijing-Hangzhou Grand Canal is the longest canal or artificial river in the world. Starting at Beijing, it passes through Tianjin and the provinces of Hebei, Shandong, Jiangsu and Zhejiang to the city of Hangzhou...
  
  . This dramatically helps the passage of ships in segments with rougher waters leading slightly downhill. Qiao also has roof hangers built over the segments where double gates are installed, increasing the amount of safety for passing ships.

Europe

• Henry II, Duke of Bavaria
  Henry II, Duke of Bavaria
  Henry II , called the Wrangler or the Quarrelsome, in German Heinrich der Zänker, was the son of Henry I and Judith of Bavaria.- Biography :...
  
   abducts the child king Otto III.
• The settlement of Greenland
  Greenland
  Greenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for...
  
   is begun by the Norse
  Norsemen
  Norsemen is used to refer to the group of people as a whole who spoke what is now called the Old Norse language belonging to the North Germanic branch of Indo-European languages, especially Norwegian, Icelandic, Faroese, Swedish and Danish in their earlier forms.The meaning of Norseman was "people...
  
  .

Religion

• August 20 – Antipope Boniface VII
  Antipope Boniface VII
  Antipope Boniface VII , was an antipope . He is supposed to have put Pope Benedict VI to death. A popular tumult compelled him to flee to Constantinople in 974; he carried off a vast treasure, and returned in 984 and removed Pope John XIV from office, who had been elected in his absence, by murder...
  
   murders Pope John XIV
  Pope John XIV
  Pope John XIV was Pope from December, 983 to August 20, 984, successor to Pope Benedict VII He was born at Pavia, and before his elevation to the papal chair was imperial chancellor of Emperor Otto II , and was the latter's second choice.His original name was Pietro Canepanova, but he took the...
  
  .

Deaths

• May 5 – Gerberga of Saxony
  Gerberga of Saxony
  Gerberga of Saxony was a daughter of Henry the Fowler, King of Germany, and Matilda of Ringelheim.-Marriages:She married first Gilbert, Duke of Lorraine. They had four children:...
  
  
• Pope John XIV
  Pope John XIV
  Pope John XIV was Pope from December, 983 to August 20, 984, successor to Pope Benedict VII He was born at Pavia, and before his elevation to the papal chair was imperial chancellor of Emperor Otto II , and was the latter's second choice.His original name was Pietro Canepanova, but he took the...
  
  
• Buluggin ibn Ziri
  Buluggin ibn Ziri
  Bologhine ibn Ziri was the first ruler of the Zirids in Ifriqiya .Bologhine was already given responsibility under the governorship of his father Ziri ibn Manad, during which time he founded the cities of Algiers, Miliana and Médéa. After Ziri's death in battle against renegade Berbers, Bologhine...
  
  , first official ruler of the Zirid
  Zirid
  The Zirid dynasty were a Sanhadja Berber dynasty, originating in modern Algeria, initially on behalf of the Fatimids, for about two centuries, until weakened by the Banu Hilal and finally destroyed by the Almohads. Their capital was Kairouan...
  
  dynaty.