940
| Years: 936 937 938 939 – 940 – 941 942 943 944 | |
| Decades: 910s 920s 930s – 940s – 950s 960s 970s | |
| Centuries: 9th century – 10th century – 11th century | |
Events
Births
- Brian Boru, high king of Ireland
- Abu'l-Wafa, Iranian mathematician
Deaths
Categories: 940