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| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 398 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 398 CCCXCVIII |
| Ab urbe condita | 1151 |
| Assyrian calendar | 5148 |
| Balinese saka calendar | 319–320 |
| Bengali calendar | −195 |
| Berber calendar | 1348 |
| Buddhist calendar | 942 |
| Burmese calendar | −240 |
| Byzantine calendar | 5906–5907 |
| Chinese calendar | 丁酉年 (Fire Rooster) 3095 or 2888 — to — 戊戌年 (Earth Dog) 3096 or 2889 |
| Coptic calendar | 114–115 |
| Discordian calendar | 1564 |
| Ethiopian calendar | 390–391 |
| Hebrew calendar | 4158–4159 |
| Hindu calendars | |
| - Vikram Samvat | 454–455 |
| - Shaka Samvat | 319–320 |
| - Kali Yuga | 3498–3499 |
| Holocene calendar | 10398 |
| Iranian calendar | 224 BP – 223 BP |
| Islamic calendar | 231 BH – 230 BH |
| Javanese calendar | 281–282 |
| Julian calendar | 398 CCCXCVIII |
| Korean calendar | 2731 |
| Minguo calendar | 1514 before ROC 民前1514年 |
| Nanakshahi calendar | −1070 |
| Seleucid era | 709/710 AG |
| Thai solar calendar | 940–941 |
| Tibetan calendar | 阴火鸡年 (female Fire-Rooster) 524 or 143 or −629 — to — 阳土狗年 (male Earth-Dog) 525 or 144 or −628 |
Year 398 (CCCXCVIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar, the 395th Year of the Common Era (CE) and Anno Domini (AD) designations, the 398th year of the 1st millennium, the last 3 years of the 4th century, and the 9th and pre-final year of the 390s decade. At the time, it was known as the Year of the Consulship of Augustus and Eutychianus (or, less frequently, year 1151 Ab urbe condita). The denomination 398 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.