| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1423 by topic |
|---|
| Arts and science |
| Architecture - Art |
| Leaders |
| Political entities - State leaders - Colonial governors - Religious leaders |
| Birth and death categories |
| Births - Deaths |
| Establishments and disestablishments categories |
| Establishments - Disestablishments |
| Art and literature |
| 1423 in poetry |
| Gregorian calendar | 1423 MCDXXIII |
| Ab urbe condita | 2176 |
| Armenian calendar | 872 ԹՎ ՊՀԲ |
| Assyrian calendar | 6173 |
| Bengali calendar | 830 |
| Berber calendar | 2373 |
| English Regnal year | 1 Hen. 6 – 2 Hen. 6 |
| Buddhist calendar | 1967 |
| Burmese calendar | 785 |
| Byzantine calendar | 6931–6932 |
| Chinese calendar |
壬寅年 (Water Tiger) 4119 or 4059 — to — 癸卯年 (Water Rabbit) 4120 or 4060 |
| Coptic calendar | 1139–1140 |
| Discordian calendar | 2589 |
| Ethiopian calendar | 1415–1416 |
| Hebrew calendar | 5183–5184 |
| Hindu calendars | |
| - Vikram Samvat | 1479–1480 |
| - Shaka Samvat | 1344–1345 |
| - Kali Yuga | 4523–4524 |
| Holocene calendar | 11423 |
| Igbo calendar | 423–424 |
| Iranian calendar | 801–802 |
| Islamic calendar | 826–827 |
| Japanese calendar |
Ōei 30 (応永30年) |
| Javanese calendar | 1337–1338 |
| Julian calendar | 1423 MCDXXIII |
| Korean calendar | 3756 |
| Minguo calendar | 489 before ROC 民前489年 |
| Nanakshahi calendar | −45 |
| Thai solar calendar | 1965–1966 |
Year 1423 (MCDXXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.