| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 838 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 838 DCCCXXXVIII |
| Ab urbe condita | 1591 |
| Armenian calendar | 287 ԹՎ ՄՁԷ |
| Assyrian calendar | 5588 |
| Balinese saka calendar | 759–760 |
| Bengali calendar | 245 |
| Berber calendar | 1788 |
| Buddhist calendar | 1382 |
| Burmese calendar | 200 |
| Byzantine calendar | 6346–6347 |
| Chinese calendar | 丁巳年 (Fire Snake) 3535 or 3328 — to — 戊午年 (Earth Horse) 3536 or 3329 |
| Coptic calendar | 554–555 |
| Discordian calendar | 2004 |
| Ethiopian calendar | 830–831 |
| Hebrew calendar | 4598–4599 |
| Hindu calendars | |
| - Vikram Samvat | 894–895 |
| - Shaka Samvat | 759–760 |
| - Kali Yuga | 3938–3939 |
| Holocene calendar | 10838 |
| Iranian calendar | 216–217 |
| Islamic calendar | 223–224 |
| Japanese calendar | Jōwa 5 (承和５年) |
| Javanese calendar | 734–736 |
| Julian calendar | 838 DCCCXXXVIII |
| Korean calendar | 3171 |
| Minguo calendar | 1074 before ROC 民前1074年 |
| Nanakshahi calendar | −630 |
| Seleucid era | 1149/1150 AG |
| Thai solar calendar | 1380–1381 |
| Tibetan calendar | 阴火蛇年 (female Fire-Snake) 964 or 583 or −189 — to — 阳土马年 (male Earth-Horse) 965 or 584 or −188 |
Year 838 (DCCCXXXVIII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.