305 BC

Millennium:	1st millennium BC
Centuries:	5th century BC 4th century BC 3rd century BC
Decades:	320s BC 310s BC 300s BC 290s BC 280s BC
Years:	308 BC 307 BC 306 BC 305 BC 304 BC 303 BC 302 BC

305 BC in various calendars

Gregorian calendar	305 BC CCCV BC
Ab urbe condita	449
Ancient Egypt era	XXXIII dynasty, 19
- Pharaoh	Ptolemy I Soter, 19
Ancient Greek era	118th Olympiad, year 4
Assyrian calendar	4446
Balinese saka calendar	N/A
Bengali calendar	−897
Berber calendar	646
Buddhist calendar	240
Burmese calendar	−942
Byzantine calendar	5204–5205
Chinese calendar	乙卯年 (Wood Rabbit) 2393 or 2186     — to — 丙辰年 (Fire Dragon) 2394 or 2187
Coptic calendar	−588 – −587
Discordian calendar	862
Ethiopian calendar	−312 – −311
Hebrew calendar	3456–3457
Hindu calendars
- Vikram Samvat	−248 – −247
- Shaka Samvat	N/A
- Kali Yuga	2796–2797
Holocene calendar	9696
Iranian calendar	926 BP – 925 BP
Islamic calendar	954 BH – 953 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	2029
Minguo calendar	2216 before ROC 民前2216年
Nanakshahi calendar	−1772
Seleucid era	7/8 AG
Thai solar calendar	238–239
Tibetan calendar	阴木兔年 (female Wood-Rabbit) −178 or −559 or −1331     — to — 阳火龙年 (male Fire-Dragon) −177 or −558 or −1330

Coin of Seleucus I (305–281 BC)

Year 305 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Megellus and Augurinus (or, less frequently, year 449 Ab urbe condita). The denomination 305 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

Seleucid Empire

• Seleucus, former officer of Alexander the Great, considers himself emperor of Persia. He attemps to recover lands taken by Chandragupta that had been a part of Alexander's Empire. Seleucus establishes Seleucia on the Tigris River as his capital.

Syria

• Antigonus I Monophthalmus sends his son Demetrius to conquer Rhodes, which has refused him armed support against Ptolemy. He shows ingenuity in devising new siege engines in his unsuccessful attempt to reduce the city. Among his creations are a battering ram 60 metres long and requiring 1,000 men to operate it and a wheeled siege tower named "Helepolis" (or "Taker of Cities") which stands 40 metres tall and 20 metres wide and weighs 180 tons. This siege of Rhodes earns Demetrius the title Poliorcetes ("the City Besieger").

Roman Republic

• The Roman consuls, Marcus Fulvius Curvus Paetinus and Lucius Postumius Megellus, decisively defeat the Samnites in the Battle of Bovianum to end the Second Samnite War.

Births

• Zou Yan, Chinese philosopher (d. 240 BC)