274 BC

Millennium:	1st millennium BC
Centuries:	4th century BC – 3rd century BC – 2nd century BC
Decades:	300s BC  290s BC  280s BC  – 270s BC –  260s BC  250s BC  240s BC
Years:	277 BC 276 BC 275 BC – 274 BC – 273 BC 272 BC 271 BC

274 BC by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments

274 BC in other calendars

Gregorian calendar	274 BC
Ab urbe condita	480
Armenian calendar	N/A
Assyrian calendar	4477
Bahá'í calendar	-2117–-2116
Bengali calendar	-866
Berber calendar	677
English Regnal year	N/A
Buddhist calendar	271
Burmese calendar	-911
Byzantine calendar	5235–5236
Chinese calendar	丙戌年 (2363/2423) — to — 丁亥年 (2364/2424)
Coptic calendar	-557–-556
Ethiopian calendar	-281–-280
Hebrew calendar	3487–3488
Hindu calendars
- Vikram Samvat	-217–-216
- Shaka Samvat	N/A
- Kali Yuga	2828–2829
Holocene calendar	9727
Iranian calendar	895 BP – 894 BP
Islamic calendar	923 BH – 921 BH
Japanese calendar
Korean calendar	2060
Minguo calendar	2185 before ROC 民前2185年
Thai solar calendar	270

Year 274 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Dentatus and Merenda (or, less frequently, year 480 Ab urbe condita). The denomination 274 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

• Pyrrhus returns from Italy and Sicily and invades Macedonia driving Antigonus II Gonatas out of Upper Macedonia and Thessaly while Antigonus holds onto the coastal Macedonian towns. Antigonus' troops desert him and Pyrrhus is declared King of Macedonia.

Roman Republic

• The Romans under Manius Curius Dentatus conquer the Lucanians.

Egypt

• Magas of Cyrene marries Apama, the daughter of Antiochus and uses his marital alliance to foment a pact to invade Egypt. He opens hostilities against his half brother Ptolemy II, by declaring his province of Cyrenaica to be independent and then attacks Egypt from the west as Antiochus I takes the Egyptian controlled areas in coastal Syria and southern Anatolia, after which he attacks Palestine.
• Magas has to stop his advance against Ptolemy II due to an internal revolt by the Libyan Marmaridae nomads.