| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 181 BC by topic |
| Politics |
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| Categories |
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| Gregorian calendar | 181 BC CLXXXI BC |
| Ab urbe condita | 573 |
| Ancient Egypt era | XXXIII dynasty, 143 |
| - Pharaoh | Ptolemy V Epiphanes, 23 |
| Ancient Greek era | 149th Olympiad, year 4 |
| Assyrian calendar | 4570 |
| Balinese saka calendar | N/A |
| Bengali calendar | −773 |
| Berber calendar | 770 |
| Buddhist calendar | 364 |
| Burmese calendar | −818 |
| Byzantine calendar | 5328–5329 |
| Chinese calendar | 己未年 (Earth Goat) 2517 or 2310 — to — 庚申年 (Metal Monkey) 2518 or 2311 |
| Coptic calendar | −464 – −463 |
| Discordian calendar | 986 |
| Ethiopian calendar | −188 – −187 |
| Hebrew calendar | 3580–3581 |
| Hindu calendars | |
| - Vikram Samvat | −124 – −123 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2920–2921 |
| Holocene calendar | 9820 |
| Iranian calendar | 802 BP – 801 BP |
| Islamic calendar | 827 BH – 826 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 2153 |
| Minguo calendar | 2092 before ROC 民前2092年 |
| Nanakshahi calendar | −1648 |
| Seleucid era | 131/132 AG |
| Thai solar calendar | 362–363 |
| Tibetan calendar | 阴土羊年 (female Earth-Goat) −54 or −435 or −1207 — to — 阳金猴年 (male Iron-Monkey) −53 or −434 or −1206 |
Year 181 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 Tamphilus (or, less frequently, year 573 Ab urbe condita). The denomination 181 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
Egypt
- Ptolemy V is poisoned after a reign of 24 years in which the Egyptian kingdom has declined in power and influence and has lost most of its empire outside Egypt other than Cyprus and Cyrenaica. The elder of his two sons, Ptolemy VI Philometor succeeds him, but since he is an infant, he rules under the regency of his mother Cleopatra the Syrian.
Roman Republic
Asia Minor
- Pharnaces I of Pontus decides to attack both Eumenes II of Pergamum and Ariarathes IV of Cappadocia and therefore invades Galatia with a large force. Eumenes leads an army to oppose him, however, hostilities are soon suspended following the arrival of Roman deputies, who have been appointed by the Roman Senate to inquire into the matters in dispute. Negotiations take place at Pergamum but are inconclusive, with Pharnaces' demands being rejected by the Romans as unreasonable. As a consequence, the war between Pontus and Pergamum and Cappadocia is renewed.
China
- Empress Lü of the Han Dynasty sends an army under Zhou Zao to attack the formerly vassal state of Nanyue in present-day Vietnam and southern China, but the heat and dampness causes many of Zhou's men to fall ill, and he fails to make it across the mountains into enemy territory.
- Nanyue's emperor Zhao Tuo attacks the other vassal kingdoms of Minyue, Western Ou and Luo and secures their submission. He also attacks the state of Changsha.
Births
Deaths
References
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