| Centuries: | 4th century · 5th century · 6th century |
| Decades: | 410s 420s 430s 440s 450s 460s 470s |
| Years: | 442 443 444 445 446 447 448 |
| 445 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 445 CDXLV |
| Ab urbe condita | 1198 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1399 – -1398 |
| Bengali calendar | -148 |
| Berber calendar | 1395 |
| Buddhist calendar | 989 |
| Burmese calendar | -193 |
| Byzantine calendar | 5953 – 5954 |
| Chinese calendar | 甲申年十二月初七日 (3081/3141-12-7) — to —
乙酉年十一月十七日(3082/3142-11-17) |
| Coptic calendar | 161 – 162 |
| Ethiopian calendar | 437 – 438 |
| Hebrew calendar | 4205 – 4206 |
| Hindu calendars | |
| - Bikram Samwat | 501 – 502 |
| - Shaka Samvat | 367 – 368 |
| - Kali Yuga | 3546 – 3547 |
| Holocene calendar | 10445 |
| Iranian calendar | 177 BP – 176 BP |
| Islamic calendar | 182 BH – 181 BH |
| Japanese calendar | |
| Korean calendar | 2778 |
| Thai solar calendar | 988 |