509 BC

Millennium:	1st millennium BC
Centuries:	7th century BC – 6th century BC – 5th century BC
Decades:	530s BC  520s BC  510s BC  – 500s BC –  490s BC  480s BC  470s BC
Years:	512 BC 511 BC 510 BC – 509 BC – 508 BC 507 BC 506 BC

509 BC by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments

509 BC in other calendars

Gregorian calendar	509 BC
Ab urbe condita	245
Armenian calendar	N/A
Assyrian calendar	4242
Bahá'í calendar	-2352–-2351
Bengali calendar	-1101
Berber calendar	442
English Regnal year	N/A
Buddhist calendar	36
Burmese calendar	-1146
Byzantine calendar	5000–5001
Chinese calendar	辛卯年 (2128/2188) — to — 壬辰年 (2129/2189)
Coptic calendar	-792–-791
Ethiopian calendar	-516–-515
Hebrew calendar	3252–3253
Hindu calendars
- Vikram Samvat	-452–-451
- Shaka Samvat	N/A
- Kali Yuga	2593–2594
Holocene calendar	9492
Igbo calendar
- Ǹrí Ìgbò	-1508–-1507
Iranian calendar	1130 BP – 1129 BP
Islamic calendar	1165 BH – 1164 BH
Japanese calendar
Juche calendar	N/A (before 1912)
Julian calendar
Korean calendar	1825
Minguo calendar	2420 before ROC 民前2420年
Thai solar calendar	35

Events

• Beginning of the Roman Republic.