|Centuries:||10th century – 11th century – 12th century|
|Decades:||1010s 1020s 1030s – 1040s – 1050s 1060s 1070s|
|Years:||1040 1041 1042 – 1043 – 1044 1045 1046|
- October 31 – Venus occults Jupiter
- Rus'-Byzantine War (1043).
- Edward the Confessor is crowned King of England at Winchester Cathedral.
- Henry III, Holy Roman Emperor marries Agnes de Poitou.
- The revolt of George Maniaces against Byzantine Emperor Constantine IX ends when Maniaces is killed in battle near Thessalonica.
- The Ziyarid dynasty of Persia is destroyed by the Seljuks.
- In Song Dynasty China, the politicians Ouyang Xiu and Fan Zhongyan start the Qingli Reforms, which are halted by 1045.
- The Norman brothers, William Iron Arm and Drogo de Hauteville, take power in Apulia.
- The first king of the Kingdom of Nri, Eze Nri Ìfikuánim is created in West Africa.