| 释义 |
- Significant people
- References
{{About|the years AD 40–49|the years 40–49 in other centuries|List of decades}}{{distinguish|1840s|1940s|2040s}}{{hatnote|In American vernacular, "40s" may also refer to forty ounce bottles of malt liquor.}}{{Decadebox|4}}{{Events by year for decade|4}}Significant people- Gaius Caesar Germanicus/Caligula (AD 37–41).
- Claudius, Roman Emperor (AD 41–54).
- Paul of Tarsus, Christian evangelist
{{Births and deaths by year for decade|4}}References{{commons category|40s}}{{DEFAULTSORT:40s}} 1 : 40s |