425 BC

Centuries:	6th century BC - 5th century BC - 4th century BC
Decades:	450s BC 440s BC 430s BC - 420s BC - 410s BC 400s BC 390s BC
Years:	428 BC 427 BC 426 BC - 425 BC - 424 BC 423 BC 422 BC

425 BC by topic
Politics
State leaders - Sovereign states
Birth and death categories
Births - Deaths
Establishments and disestablishments categories
Establishments - Disestablishments v • d • e

**425 BC in other calendars**
Gregorian calendar	425 BC
Ab urbe condita	329
Armenian calendar	N/A
Bahá'í calendar	-2268 – -2267
Buddhist calendar	120
Chinese calendar	2212/2272 ([[Sexagenary cycle\|]]年) — to — 2213/2273 ([[Sexagenary cycle\|]]年)
Ethiopian calendar	-432 – -431
Hebrew calendar	3336 – 3337
Hindu calendars
- Vikram Samvat	-369 – -368
- Shaka Samvat	N/A
- Kali Yuga	2677 – 2678
Holocene calendar	9576
Iranian calendar	1046 BP – 1045 BP
Islamic calendar	1078 BH – 1077 BH
Japanese calendar
- Imperial Year	Kōki 236 (皇紀236年)
- Jōmon Era	9576
Julian calendar	-379
Korean calendar	1909
Thai solar calendar	119
v • d • e

[edit] Events

Demosthenes captures and fortifies the port of Pylos in the Peloponnesus, giving Athens a strong base close to Sparta. Meanwhile, a Spartan army, commanded by Brasidas, lands on the nearby island of Sphacteria, but is repulsed by the Athenians. An Athenian fleet summoned by Demosthenes bottles up the Spartan navy in Navarino Bay.
Cleon joins Demosthenes in the invasion by Athenian troops of Sphacteria. The resulting Battle of Pylos results in an Athenian victory leading to the surrender of many of the Spartan troops. Pylos remains in Athenian hands, and is used as a base for raids into Spartan territory and as a refuge for fleeing Spartan helots.
Following the failure of peace negotiations between Athens and Sparta, a number of Spartans stranded on the island of Sphacteria after the Battle of Pylos are attacked by an Athenian force under Cleon and Demosthenes. The resulting Battle of Sphacteria leads to a further victory by the Athenians over the Spartans. The Spartans sue for peace, but the Athenian leader Cleon persuades Athens to refuse.

Callicrates starts to build the Temple of Athena Nike on the Acropolis in Athens (approximate date). Between 410 and 407 BC the temple is surrounded by a parapet.

Euripides' play Hecuba is performed.
Aristophanes' play The Acharnians is performed. Produced by Callistratus, it wins Aristophanes a first prize at the Lenaea.