| Millennium: | 1st millennium |
| Centuries: | 9th century – 10th century – 11th century |
| Decades: | 910s 920s 930s – 940s – 950s 960s 970s |
| Years: | 940 941 942 943 944 945 946 947 948 949 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
The 940s decade ran from January 1, 940 to December 31, 949.