1074

File:Géza I.jpg (c. 1040–1077)]]

Events

Spring – Norman mercenaries, led by Roussel de Bailleul, proclaim John Doukas emperor of the Byzantine Empire. His nephew, Emperor Michael VII Doukas, forms an alliance with Seljuk chieftain Suleiman ibn Qutulmish, who is raiding in the eastern regions of Anatolia. The Seljuk Turks ambush the Norman forces; Roussel and John are defeated and captured; but a ransom, raised by Roussel's wife, allows him to return to Amaseia.Brian Todd Carey (2012). Road to Manzikert: Byzantine and Islamic Warfare (527–1071), p. 155. {{ISBN|978-1-84884-215-1}}.

February 2 – Treaty of Gerstungen: Henry IV, Holy Roman Emperor, is forced to restore the peace with Duke Otto of Nordheim (one of the Saxon leaders of the Saxon Rebellion). He signs a treaty in Gerstungen Castle, on the River Werra in Thuringia (modern Germany).
February 7 – Battle of Montesarchio: Prince Pandulf IV, co-ruler of Benevento, is killed while fighting the Normans in southern Italy.
March 14 – Battle of Mogyoród: King Solomon is defeated by his cousins, Duke Géza I and Ladislaus I. He is dethroned and Géza becomes the new ruler of Hungary.
October 21 – The Belgium beer brand Affligem is founded.

Spring – Badr al-Jamali becomes Chief Wazir (Grand Vizier) and effectively military dictator of the Fatimid Caliphate under Caliph Al-Mustansir Billah in Egypt.David Nicolle (2003). The First Crusade 1096–99: Conquest of the Holy Land, p. 12. {{ISBN|978-1-84176-515-0}}.

Emperor Shenzong of Song establishes a Marine Office and a Goods Control Bureau north-west of Shanghai, allowing for the loading and unloading of freight.

Pope Gregory VII temporarily excommunicates the Norman nobleman Robert Guiscard.

February 12 – Conrad II of Italy, king of Germany (d. 1101){{cite web |title=Conrad {{!}} king of the Germans |url=https://www.britannica.com/biography/Conrad-king-of-the-Germans |website=Encyclopedia Britannica |access-date=31 March 2019 |language=en}}
April – Abu Mansur Mauhub al-Jawaliqi, Arab philologist (d. 1144)
September 16 – Al-Musta'li, Fatimid caliph (d. 1101)
Ibn al-Tilmidh, Syriac physician and poet (d. 1165)
Approximate date
Edgar ("the Valliant"), king of Scotland (d. 1107)
Hugh I, count of Champagne
Maud, Countess of Huntingdon, queen consort of Scotland (d. 1130)