321 BC Facts for Kids

Millennium:	1st millennium BC
Centuries:	5th century BC – 4th century BC – 3rd century BC
Decades:	350s BC 340s BC 330s BC – 320s BC – 310s BC 300s BC 290s BC
Years:	324 BC 323 BC 322 BC – 321 BC – 320 BC 319 BC 318 BC

321 BC by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments

321 BC in various calendars
Gregorian calendar	321 BC CCCXX BC
Ab urbe condita	433
Ancient Egypt era	XXXIII dynasty, 3
- Pharaoh	Ptolemy I Soter, 3
Ancient Greek era	114th Olympiad, year 4
Assyrian calendar	4430
Balinese saka calendar	N/A
Bengali calendar	−913
Berber calendar	630
Buddhist calendar	224
Burmese calendar	−958
Byzantine calendar	5188–5189
Chinese calendar	己亥年 (Earth Pig) 2376 or 2316 — to — 庚子年 (Metal Rat) 2377 or 2317
Coptic calendar	−604 – −603
Discordian calendar	846
Ethiopian calendar	−328 – −327
Hebrew calendar	3440–3441
Hindu calendars
- Vikram Samvat	−264 – −263
- Shaka Samvat	N/A
- Kali Yuga	2780–2781
Holocene calendar	9680
Iranian calendar	942 BP – 941 BP
Islamic calendar	971 BH – 970 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	2013
Minguo calendar	2232 before ROC 民前2232年
Nanakshahi calendar	−1788
Thai solar calendar	222–223
Tibetan calendar	阴土猪年 (female Earth-Pig) −194 or −575 or −1347 — to — 阳金鼠年 (male Iron-Rat) −193 or −574 or −1346

Year 321 BC was a year of the pre-Julian Roman calendar.

Events

Antipater makes Antigonus commander in chief of his army in Asia Minor. He sends him with Craterus to fight against Eumenes, the satrap of Cappadocia and a supporter of Perdiccas.
Perdiccas marches against Ptolemy. When he fails to cross the Nile he is murdered by mutinous officers. Ptolemy is in power in Egypt and Seleucus in power in Babylon.
The main generals of the late Alexander the Great agree to the Partition of Triparadisus.
Ptolemy strengthens his position by marrying Eurydice, the third daughter of Antipater.
Antigonus and Craterus defeat Eumenes in battle. Eumenes escapes.

Successes by Rome's armies force the Samnites to ask for peace. The terms are harsh so peace does not happen.
Two Roman consuls, Spurius Postumius Albinus and Titus Veturius Calvinus, leading a force into Samnium. They are trapped in a mountain pass known as the Caudine Forks. They make a five-year treaty with the Samnites.

Chandragupta Maurya, founder of the Mauryan empire, makes himself king of Magadha.

Craterus, Macedonian general (b. c. 370 BC)
Perdiccas, Macedonian general and regent after the death of Alexander the Great (b. c. 365 BC)
Zhou Xian Wang, King of the Zhou Dynasty of China