| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1398 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births - Deaths | |
| Establishments and disestablishments categories | |
| Establishments - Disestablishments | |
| Art and literature | |
| 1398 in poetry | |
| Gregorian calendar | 1398 MCCCXCVIII |
| Ab urbe condita | 2151 |
| Armenian calendar | 847 ԹՎ ՊԽԷ |
| Assyrian calendar | 6148 |
| Bengali calendar | 805 |
| Berber calendar | 2348 |
| English Regnal year | 21 Ric. 2 – 22 Ric. 2 |
| Buddhist calendar | 1942 |
| Burmese calendar | 760 |
| Byzantine calendar | 6906–6907 |
| Chinese calendar |
丁丑年 (Fire Ox) 4094 or 4034 — to — 戊寅年 (Earth Tiger) 4095 or 4035 |
| Coptic calendar | 1114–1115 |
| Discordian calendar | 2564 |
| Ethiopian calendar | 1390–1391 |
| Hebrew calendar | 5158–5159 |
| Hindu calendars | |
| - Vikram Samvat | 1454–1455 |
| - Shaka Samvat | 1319–1320 |
| - Kali Yuga | 4498–4499 |
| Holocene calendar | 11398 |
| Igbo calendar | 398–399 |
| Iranian calendar | 776–777 |
| Islamic calendar | 800–801 |
| Japanese calendar |
Ōei 5 (応永5年) |
| Javanese calendar | 1312–1313 |
| Julian calendar | 1398 MCCCXCVIII |
| Korean calendar | 3731 |
| Minguo calendar | 514 before ROC 民前514年 |
| Nanakshahi calendar | −70 |
| Thai solar calendar | 1940–1941 |
Year 1398 (MCCCXCVIII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.