638 BC

Millennium:	1st millennium BC
Centuries:	8th century BC – 7th century BC – 6th century BC
Decades:	660s BC  650s BC  640s BC  – 630s BC –  620s BC  610s BC  600s BC
Years:	641 BC 640 BC 639 BC – 638 BC – 637 BC 636 BC 635 BC

638 BC in other calendars

Gregorian calendar	638 BC DCXXXVII BC
Ab urbe condita	116
Ancient Egypt era	XXVI dynasty, 27
- Pharaoh	Psamtik I, 27
Ancient Greek era	35th Olympiad, year 3
Assyrian calendar	4113
Bengali calendar	−1230
Berber calendar	313
Buddhist calendar	−93
Burmese calendar	−1275
Byzantine calendar	4871–4872
Chinese calendar	壬午年 (Water Horse) 2059 or 1999     — to — 癸未年 (Water Goat) 2060 or 2000
Coptic calendar	−921 – −920
Discordian calendar	529
Ethiopian calendar	−645 – −644
Hebrew calendar	3123–3124
Hindu calendars
- Vikram Samvat	−581 – −580
- Shaka Samvat	N/A
- Kali Yuga	2464–2465
Holocene calendar	9363
Iranian calendar	1259 BP – 1258 BP
Islamic calendar	1298 BH – 1297 BH
Julian calendar	N/A
Korean calendar	1696
Minguo calendar	2549 before ROC 民前2549年
Thai solar calendar	−95 – −94

Births

• Solon, lawmaker of Athens