204 BC

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Millennium: 1st millennium BC
204 BC in various calendars
Gregorian calendar 204 BC
Ab urbe condita 550
Ancient Egypt era XXXIII dynasty, 120
- Pharaoh Ptolemy IV Philopator, 18
Ancient Greek era 144th Olympiad (victor
Assyrian calendar 4547
Balinese saka calendar N/A
Bengali calendar −796
Berber calendar 747
Buddhist calendar 341
Burmese calendar −841
Byzantine calendar 5305–5306
Chinese calendar 丙申(Fire Monkey)
2493 or 2433
    — to —
丁酉年 (Fire Rooster)
2494 or 2434
Coptic calendar −487 – −486
Discordian calendar 963
Ethiopian calendar −211 – −210
Hebrew calendar 3557–3558
Hindu calendars
 - Vikram Samvat −147 – −146
 - Shaka Samvat N/A
 - Kali Yuga 2897–2898
Holocene calendar 9797
Iranian calendar 825 BP – 824 BP
Islamic calendar 850 BH – 849 BH
Javanese calendar N/A
Julian calendar N/A
Korean calendar 2130
Minguo calendar 2115 before ROC
Nanakshahi calendar −1671
Seleucid era 108/109 AG
Thai solar calendar 339–340
Tibetan calendar 阳火猴年
(male Fire-Monkey)
−77 or −458 or −1230
    — to —
(female Fire-Rooster)
−76 or −457 or −1229

Year 204 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Cethegus and Tuditanus (or, less frequently, year 550 Ab urbe condita). The denomination 204 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.


By place[edit]



  • The late Egyptian King Ptolemy IV's clique of favourites, led by Sosibius, Ptolemy's chief minister, keeps Ptolemy's death a secret, fearing retribution from the new king Ptolemy V's mother, Queen Arsinoe III. They arrange for the murder of Arsinoe, and then the five-year-old king is officially elevated to the throne with Sosibius as his guardian. Arsinoe has been popular with the Egyptian population so rioting follows the news of her assassination.

Roman Republic[edit]

Seleucid Empire[edit]