| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1238 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1238 in poetry |
| Gregorian calendar | 1238 MCCXXXVIII |
| Ab urbe condita | 1991 |
| Armenian calendar | 687 ԹՎ ՈՁԷ |
| Assyrian calendar | 5988 |
| Balinese saka calendar | 1159–1160 |
| Bengali calendar | 645 |
| Berber calendar | 2188 |
| English Regnal year | 22 Hen. 3 – 23 Hen. 3 |
| Buddhist calendar | 1782 |
| Burmese calendar | 600 |
| Byzantine calendar | 6746–6747 |
| Chinese calendar | 丁酉年 (Fire Rooster) 3935 or 3728 — to — 戊戌年 (Earth Dog) 3936 or 3729 |
| Coptic calendar | 954–955 |
| Discordian calendar | 2404 |
| Ethiopian calendar | 1230–1231 |
| Hebrew calendar | 4998–4999 |
| Hindu calendars | |
| - Vikram Samvat | 1294–1295 |
| - Shaka Samvat | 1159–1160 |
| - Kali Yuga | 4338–4339 |
| Holocene calendar | 11238 |
| Igbo calendar | 238–239 |
| Iranian calendar | 616–617 |
| Islamic calendar | 635–636 |
| Japanese calendar | Katei 4 / Ryakunin 1 (暦仁元年) |
| Javanese calendar | 1147–1148 |
| Julian calendar | 1238 MCCXXXVIII |
| Korean calendar | 3571 |
| Minguo calendar | 674 before ROC 民前674年 |
| Nanakshahi calendar | −230 |
| Thai solar calendar | 1780–1781 |
| Tibetan calendar | 阴火鸡年 (female Fire-Rooster) 1364 or 983 or 211 — to — 阳土狗年 (male Earth-Dog) 1365 or 984 or 212 |
Year 1238 (MCCXXXVIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.