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|189 by topic|
|Ab urbe condita||942|
|Balinese saka calendar||110–111|
|Chinese calendar||戊辰年 (Earth Dragon)
2885 or 2825
— to —
己巳年 (Earth Snake)
2886 or 2826
|Coptic calendar||−95 – −94|
|- Vikram Samvat||245–246|
|- Shaka Samvat||110–111|
|- Kali Yuga||3289–3290|
|Iranian calendar||433 BP – 432 BP|
|Islamic calendar||446 BH – 445 BH|
|Minguo calendar||1723 before ROC
|Seleucid era||500/501 AG|
|Thai solar calendar||731–732|
315 or −66 or −838
— to —
316 or −65 or −837
|Wikimedia Commons has media related to 189.|
Year 189 (CLXXXIX) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Silanus and Silanus (or, less frequently, year 942 Ab urbe condita). The denomination 189 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.
- Plague (possibly smallpox) kills as many as 2,000 people per day in Rome. Farmers are unable to harvest their crops and food shortages bring riots in the city.
- The Prince of Hongnong succeeds Emperor Ling as Chinese emperor of the Han Dynasty.
- Dong Zhuo has the Prince of Hongnong deposed and installs Emperor Xian as emperor.
- Two thousand eunuchs in the palace are slaughtered in a violent purge in Luoyang, the capital of Han.
Arts and sciences
- Galen publishes his "Treatise on the various temperaments" (aka On the Elements According to Hippocrates).
- Pope Victor I succeeds Pope Eleuterus as the fourteenth pope, the first from Africa.
- Demetrius of Alexandria becomes Patriarch of Alexandria.
- Pantaenus, who was sent by the bishop of Alexandria to India to preach Christianity, meets with little success.
- March 7 – Geta, younger son of the future Roman Emperor Septimius Severus (d. 211)
- Ling Tong, Chinese general serving under the Eastern Han dynasty warlord Sun Quan (d. 217)
- Zhang Chunhua, wife of the Chinese general Sima Yi of the Cao Wei state in the Three Kingdoms period (d. 247)
- May 13 – Emperor Ling of Han, Chinese emperor (b. 156)
- September 22 – He Jin, Han dynasty general and regent (assassinated)
- Ding Yuan, Han dynasty general and minor warlord
- Empress Dowager Dong
- Pope Eleuterus
- Empress Dowager He, Emperor Ling's second wife