| Millennium: | 1st Millennium |
|---|---|
| Centuries: | 2nd cent. – 3rd cent. – 4th cent. |
| Decades: | 200s 210s 220s – 230s – 240s 250s 260s |
| Years: | 235 236 237 – 238 – 239 240 241 |
| Gregorian calendar | 238 CCXXXVIII |
| Ab urbe condita | 991 |
| Assyrian calendar | 4988 |
| Bengali calendar | −355 |
| Berber calendar | 1188 |
| Buddhist calendar | 782 |
| Burmese calendar | −400 |
| Byzantine calendar | 5746–5747 |
| Chinese calendar | 丁巳年 (Fire Snake) 2934 or 2874 — to — 戊午年 (Earth Horse) 2935 or 2875 |
| Coptic calendar | −46 – −45 |
| Discordian calendar | 1404 |
| Ethiopian calendar | 230–231 |
| Hebrew calendar | 3998–3999 |
| Hindu calendars | |
| - Vikram Samvat | 294–295 |
| - Shaka Samvat | 159–160 |
| - Kali Yuga | 3338–3339 |
| Holocene calendar | 10238 |
| Iranian calendar | 384 BP – 383 BP |
| Islamic calendar | 396 BH – 395 BH |
| Javanese calendar | 116–117 |
| Julian calendar | 238 CCXXXVIII |
| Korean calendar | 2571 |
| Minguo calendar | 1674 before ROC 民前1674年 |
| Nanakshahi calendar | −1230 |
| Seleucid era | 549/550 AG |
| Thai solar calendar | 780–781 |
The year 238 BC