1638

Millennium: 2nd millennium
Centuries:
Decades:
Years:
August 22: The French Navy sinks 17 Spanish ships and kills over 2,000 people in the Battle of Getaria.
1638 in various calendars
Gregorian calendar1638
MDCXXXVIII
Ab urbe condita2391
Armenian calendar1087
ԹՎ ՌՁԷ
Assyrian calendar6388
Balinese saka calendar1559–1560
Bengali calendar1045
Berber calendar2588
English Regnal year13 Cha. 1 – 14 Cha. 1
Buddhist calendar2182
Burmese calendar1000
Byzantine calendar7146–7147
Chinese calendar丁丑年 (Fire Ox)
4335 or 4128
    — to —
戊寅年 (Earth Tiger)
4336 or 4129
Coptic calendar1354–1355
Discordian calendar2804
Ethiopian calendar1630–1631
Hebrew calendar5398–5399
Hindu calendars
 - Vikram Samvat1694–1695
 - Shaka Samvat1559–1560
 - Kali Yuga4738–4739
Holocene calendar11638
Igbo calendar638–639
Iranian calendar1016–1017
Islamic calendar1047–1048
Japanese calendarKan'ei 15
(寛永15年)
Javanese calendar1559–1560
Julian calendarGregorian minus 10 days
Korean calendar3971
Minguo calendar274 before ROC
民前274年
Nanakshahi calendar170
Thai solar calendar2180–2181
Tibetan calendar阴火牛年
(female Fire-Ox)
1764 or 1383 or 611
    — to —
阳土虎年
(male Earth-Tiger)
1765 or 1384 or 612
June 20: Battle of Kallo

1638 (MDCXXXVIII) was a common year starting on Friday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1638th year of the Common Era (CE) and Anno Domini (AD) designations, the 638th year of the 2nd millennium, the 38th year of the 17th century, and the 9th year of the 1630s decade. As of the start of 1638, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.