426 BC

Millennium:	1st millennium BC
Centuries:	6th century BC 5th century BC 4th century BC
Decades:	440s BC 430s BC 420s BC 410s BC 400s BC
Years:	429 BC 428 BC 427 BC 426 BC 425 BC 424 BC 423 BC

426 BC in various calendars

Gregorian calendar	426 BC CDXXVI BC
Ab urbe condita	328
Ancient Egypt era	XXVII dynasty, 100
- Pharaoh	Artaxerxes I of Persia, 40
Ancient Greek era	88th Olympiad, year 3
Assyrian calendar	4325
Balinese saka calendar	N/A
Bengali calendar	−1018
Berber calendar	525
Buddhist calendar	119
Burmese calendar	−1063
Byzantine calendar	5083–5084
Chinese calendar	甲寅年 (Wood Tiger) 2272 or 2065     — to — 乙卯年 (Wood Rabbit) 2273 or 2066
Coptic calendar	−709 – −708
Discordian calendar	741
Ethiopian calendar	−433 – −432
Hebrew calendar	3335–3336
Hindu calendars
- Vikram Samvat	−369 – −368
- Shaka Samvat	N/A
- Kali Yuga	2675–2676
Holocene calendar	9575
Iranian calendar	1047 BP – 1046 BP
Islamic calendar	1079 BH – 1078 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1908
Minguo calendar	2337 before ROC 民前2337年
Nanakshahi calendar	−1893
Thai solar calendar	117–118
Tibetan calendar	阳木虎年 (male Wood-Tiger) −299 or −680 or −1452     — to — 阴木兔年 (female Wood-Rabbit) −298 or −679 or −1451

Year 426 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Tribunate of Cincinnatus, Albinus, Fusus and Cossus (or, less frequently, year 328 Ab urbe condita). The denomination 426 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.

Events

By place

Greece

• The Athenian leader Cleon and Athenian general Demosthenes revitalise the city's military and naval forces despite opposition from Nicias, a rich merchant and soldier, and his supporters.
• Demosthenes unsuccessfully besieges the Corinthian colony of Leukas. As a result, he does not return to Athens, fearing for his life. However when, later in the year, Ambracia invades Acarnania, and the Acarnanians seek help from Demosthenes, who is patrolling the Ionian Sea coast with twenty Athenian ships, he reaches the Athenian naval base in the Gulf of Corinth at Naupactus and secures it just in time to defend it against a large Spartan army from Delphi under Eurylochus which has come to assist the Ambraciots. Demosthenes defeats the Spartan army and Eurylochus is killed during the Battle of Olpae. The Acarnanians and Ambraciots then sign a peace treaty.
• An Athenian army under Nicias, Hipponicus and Eurymedon defeats a combined Tanagran and Theban army in the Battle of Tanagra.

Deaths

• Eurylochus, Spartan general (killed in battle)
• Zhou kao wang, King of the Zhou Dynasty of China