40s
| Centuries: | 1st century BC - 1st century - 2nd century |
| Decades: | 10s 20s 30s - 40s - 50s 60s 70s |
| Years: | 40 41 42 43 44 45 46 47 48 49 |
- Note: Sometimes the '40s is used as shorthand for the 1940s, the 1840s, or other such decades in various centuries.
Events and trends
- The Roman emperor Caligula assassinated (41), succeeded by his uncle Claudius
- Roman conquest of Britain begins under Aulus Plautius, 43
Significant people
- Gaius Caesar Germanicus/Caligula, Roman Emperor (37 - 41).
- Claudius, Roman Emperor (41 - 54).
- Paul of Tarsus, Christian evangelist
Categories
40s