| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 14th century – 15th century – 16th century |
| Decades: | 1390s 1400s 1410s – 1420s – 1430s 1440s 1450s |
| Years: | 1420 1421 1422 – 1423 – 1424 1425 1426 |
| 1423 in topic: |
| Subjects: Archaeology – Architecture – |
| Art – Literature – Music – Science |
| Leaders: State leaders – Colonial governors |
| Category: Establishments – Disestablishments |
| Births – Deaths – Works |
Year 1423 (MCDXXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.
| Gregorian calendar | 1423 MCDXXIII |
| Ab urbe condita | 2176 |
| Armenian calendar | 872 ԹՎ ՊՀԲ |
| Bahá'í calendar | -421 – -420 |
| Bengali calendar | 830 |
| Berber calendar | 2373 |
| Buddhist calendar | 1967 |
| Burmese calendar | 785 |
| Byzantine calendar | 6931 – 6932 |
| Chinese calendar | 壬寅年十二月十九日 (4059/4119-12-19) — to —
癸卯年十一月廿九日(4060/4120-11-29) |
| Coptic calendar | 1139 – 1140 |
| Ethiopian calendar | 1415 – 1416 |
| Hebrew calendar | 5183 – 5184 |
| Hindu calendars | |
| - Bikram Samwat | 1479 – 1480 |
| - Shaka Samvat | 1345 – 1346 |
| - Kali Yuga | 4524 – 4525 |
| Holocene calendar | 11423 |
| Iranian calendar | 801 – 802 |
| Islamic calendar | 826 – 827 |
| Japanese calendar | Ōei 30 (応永30年) |
| Korean calendar | 3756 |
| Thai solar calendar | 1966 |