643 BC

643 BC in various calendars
Gregorian calendar	643 BC; DCXLIII BC
Ab urbe condita	111
Ancient Egypt era	XXVI dynasty, 22
- Pharaoh	Psamtik I, 22
Ancient Greek era	34th Olympiad, year 2
Assyrian calendar	4108
Balinese saka calendar	N/A
Bengali calendar	−1235
Berber calendar	308
Buddhist calendar	−98
Burmese calendar	−1280
Byzantine calendar	4866–4867
Chinese calendar	丁丑年 (Fire Ox); 2055 or 1848; — to —; 戊寅年 (Earth Tiger); 2056 or 1849
Coptic calendar	−926 – −925
Discordian calendar	524
Ethiopian calendar	−650 – −649
Hebrew calendar	3118–3119
Hindu calendars
- Vikram Samvat	−586 – −585
- Shaka Samvat	N/A
- Kali Yuga	2458–2459
Holocene calendar	9358
Iranian calendar	1264 BP – 1263 BP
Islamic calendar	1303 BH – 1302 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1691
Minguo calendar	2554 before ROC; 民前2554年
Nanakshahi calendar	−2110
Thai solar calendar	−100 – −99
Tibetan calendar	阴火牛年; (female Fire-Ox); −516 or −897 or −1669; — to —; 阳土虎年; (male Earth-Tiger); −515 or −896 or −1668

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;
Years:	646 BC; 645 BC; 644 BC; 643 BC ; 642 BC; 641 BC; 640 BC;

The year 643 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 111 Ab urbe condita . The denomination 643 BC 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.

Gregorian calendar	643 BC DCXLIII BC
Ab urbe condita	111
Ancient Egypt era	XXVI dynasty, 22
- Pharaoh	Psamtik I, 22
Ancient Greek era	34th Olympiad, year 2
Assyrian calendar	4108
Balinese saka calendar	N/A
Bengali calendar	−1235
Berber calendar	308
Buddhist calendar	−98
Burmese calendar	−1280
Byzantine calendar	4866–4867
Chinese calendar	丁丑年 (Fire Ox) 2055 or 1848 — to — 戊寅年 (Earth Tiger) 2056 or 1849
Coptic calendar	−926 – −925
Discordian calendar	524
Ethiopian calendar	−650 – −649
Hebrew calendar	3118–3119
Hindu calendars
- Vikram Samvat	−586 – −585
- Shaka Samvat	N/A
- Kali Yuga	2458–2459
Holocene calendar	9358
Iranian calendar	1264 BP – 1263 BP
Islamic calendar	1303 BH – 1302 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1691
Minguo calendar	2554 before ROC 民前2554年
Nanakshahi calendar	−2110
Thai solar calendar	−100 – −99
Tibetan calendar	阴火牛年 (female Fire-Ox) −516 or −897 or −1669 — to — 阳土虎年 (male Earth-Tiger) −515 or −896 or −1668