Europe

• First documented reference to the City of Gdańsk
  Gdansk
  Gdańsk is a Polish city on the Baltic coast, at the centre of the country's fourth-largest metropolitan area.The city lies on the southern edge of Gdańsk Bay , in a conurbation with the city of Gdynia, spa town of Sopot, and suburban communities, which together form a metropolitan area called the...
  
  .
• Saint Adalbert of Prague
  Adalbert of Prague
  This article is about St Adalbert of Prague. For other uses, see Adalbert .Saint Adalbert, Czech: ; , , Czech Roman Catholic saint, a Bishop of Prague and a missionary, was martyred in his efforts to convert the Baltic Prussians. He evangelized Poles and Hungarians. St...
  
   is sent to Prussia by Boleslaus I of Poland.
• Samuil of Bulgaria
  Samuil of Bulgaria
  Samuel was the Emperor of the First Bulgarian Empire from 997 to 6 October 1014. From 980 to 997, he was a general under Roman I of Bulgaria, the second surviving son of Emperor Peter I of Bulgaria, and co-ruled with him, as Roman bestowed upon him the command of the army and the effective royal...
  
   is crowned Tsar by Pope Gregory V
  Pope Gregory V
  Pope Gregory V, né Bruno of Carinthia , Pope from May 3, 996 to February 18, 999, son of the Salian Otto I, Duke of Carinthia, who was a grandson of the Emperor Otto I the Great . Gregory V succeeded Pope John XV , when only twenty-four years of age...
  
  .
• Trondheim
  Trondheim
  Trondheim , historically, Nidaros and Trondhjem, is a city and municipality in Sør-Trøndelag county, Norway. With a population of 173,486, it is the third most populous municipality and city in the country, although the fourth largest metropolitan area. It is the administrative centre of...
  
  , Norway
  Norway
  Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...
  
   is founded by the king Olav Tryggvason. This will function as the main city and capital of Norway, until Bergen is founded in 1070.
• In Spain, the muslim de facto ruler of al-Andalus, al-Mansur
  Al-Mansur Ibn Abi Aamir
  Abu Aamir Muhammad Ibn Abdullah Ibn Abi Aamir, Al-Hajib Al-Mansur , better known as Almanzor, was the de facto ruler of Muslim Al-Andalus in the late 10th to early 11th centuries. His rule marked the peak of power for Moorish Iberia.-Origins:He was born Muhammad Ibn Abi Aamir, into a noble Arab...
  
  , with the support of the Christians Portuguese knights, sacks one of Christendom's holiest sites of pilgrimage, Santiago de Compostella. On their way they sack the cities of Zamora
  Zamora, Spain
  Zamora is a city in Castile and León, Spain, the capital of the province of Zamora. It lies on a rocky hill in the northwest, near the frontier with Portugal and crossed by the Duero river, which is some 50 km downstream as it reaches the Portuguese frontier...
  
   and Leon
  León, Spain
  León is the capital of the province of León in the autonomous community of Castile and León, situated in the northwest of Spain. Its city population of 136,985 makes it the largest municipality in the province, accounting for more than one quarter of the province's population...
  
  .

Deaths

• April 23 – Saint Adalbert of Prague
  Adalbert of Prague
  This article is about St Adalbert of Prague. For other uses, see Adalbert .Saint Adalbert, Czech: ; , , Czech Roman Catholic saint, a Bishop of Prague and a missionary, was martyred in his efforts to convert the Baltic Prussians. He evangelized Poles and Hungarians. St...
  
   (martyred)
• Emperor Taizong of Song
  Emperor Taizong of Song
  Emperor Taizong , born Zhao Kuangyi, was the second emperor of the Song Dynasty of China from 976 to 997. He was the younger brother of Emperor Taizu. His temple name Taizong means "Grand Ancestor".-Overview:...
  
  
• Géza of Hungary
  Géza of Hungary
  Géza , Grand Prince of the Hungarians .Géza was the son of Taksony of Hungary, Grand Prince of the Hungarians and his Pecheneg or Bulgar wife. Géza's marriage with Sarolt, the daughter of Gyula of Transylvania, was arranged by his father.After his father's death , Géza followed him as Grand Prince...