550 BC

Millennium:	1st millennium BC
Centuries:	7th century BC – 6th century BC – 5th century BC
Decades:	580s BC  570s BC  560s BC  – 550s BC –  540s BC  530s BC  520s BC
Years:	553 BC 552 BC 551 BC – 550 BC – 549 BC 548 BC 547 BC

550 BC in other calendars

Gregorian calendar	550 BC DXLIX BC
Ab urbe condita	204
Ancient Egypt era	XXVI dynasty, 115
- Pharaoh	Amasis II, 21
Ancient Greek era	57th Olympiad, year 3
Assyrian calendar	4201
Bengali calendar	−1142
Berber calendar	401
Buddhist calendar	−5
Burmese calendar	−1187
Byzantine calendar	4959–4960
Chinese calendar	庚戌年 (Metal Dog) 2147 or 2087     — to — 辛亥年 (Metal Pig) 2148 or 2088
Coptic calendar	−833 – −832
Discordian calendar	617
Ethiopian calendar	−557 – −556
Hebrew calendar	3211–3212
Hindu calendars
- Vikram Samvat	−493 – −492
- Shaka Samvat	N/A
- Kali Yuga	2552–2553
Holocene calendar	9451
Iranian calendar	1171 BP – 1170 BP
Islamic calendar	1207 BH – 1206 BH
Julian calendar	N/A
Korean calendar	1784
Minguo calendar	2461 before ROC 民前2461年
Thai solar calendar	−7 – −6

Events

• Colonization of Greeks ends (approximate date).
• The Achaemenid Empire is established
• The Kingdom of Colchis is established
• Abdera is destroyed by the Thracians
• The Temple of Artemis completed in Ephesus
• Temple of Hera I, Paestum, Italy, is built (approximate date)
• Siddhartha Gautama founded Buddhism in Northern India after achieving enlightenment after six years of practicing penance and meditation

Births

• Aristodemus of Cumae, tyrant of Cumae
• Hecataeus of Miletus, an early Greek historian
• Miltiades, renowned Olympic chariot-racer
• Epicharmus, Greek poet

Deaths

• Arcesilaus II of Cyrene, the fourth Greek Cyrenaean King and a member of the Battiad dynasty. He was stangled by Learchus