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321 BC facts for kids

Kids Encyclopedia Facts
Millennium: 1st millennium BC
Centuries: 5th century BC4th century BC3rd century BC
Decades: 350s BC  340s BC  330s BC  – 320s BC –  310s BC  300s BC  290s BC
Years: 324 BC 323 BC 322 BC321 BC – 320 BC 319 BC 318 BC
321 BC by topic
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
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
Nanakshahi calendar −1788
Thai solar calendar 222–223
Tibetan calendar 阴土猪年
(female Earth-Pig)
−194 or −575 or −1347
    — to —
(male Iron-Rat)
−193 or −574 or −1346

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


By place

Macedonian Empire

  • 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.

Roman Republic

  • 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.



  • 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
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