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|Centuries:||1st century – 2nd century – 3rd century|
|Decades:||150s 160s 170s – 180s – 190s 200s 210s|
|Years:||181 182 183 – 184 – 185 186 187|
|184 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||937|
|Chinese calendar||癸亥年 (Water Pig)
2880 or 2820
— to —
甲子年 (Wood Rat)
2881 or 2821
|Coptic calendar||−100 – −99|
|- Vikram Samvat||240–241|
|- Shaka Samvat||105–106|
|- Kali Yuga||3284–3285|
|Iranian calendar||438 BP – 437 BP|
|Islamic calendar||451 BH – 450 BH|
|Minguo calendar||1728 before ROC
|Seleucid era||495/496 AG|
|Thai solar calendar||726–727|
Year 184 (CLXXXIV) was a leap 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 Eggius and Aelianus (or, less frequently, year 937 Ab urbe condita). The denomination 184 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.
- The Yellow Turban Rebellion and Liang Province Rebellion break out in China.
- The Disasters of the Partisan Prohibitions ends.
- Zhang Jue leads the peasant revolt against Emperor Ling of the Han Dynasty. Heading for the capital of Luoyang, his massive and undisciplined army (360,000 men), burns and destroys government offices and outposts.
- June – Emperor Ling places his brother-in-law, He Jin, in command of the imperial army and sends Liu Bei to defeat the rebel forces in Runan. The army surrounds the rebels near the Yellow River and around Nanyang.
- Winter – The stronghold Wan city is besieged and captured. Zhang Jue dies due to illness, his brothers Zhang Bao and Zhang Liang are defeated at Guanzhong. The Yellow Turbans are turned into a scattered bandit force.
- Last (6th) year of Guanghe era and start of Zhongping era of the Chinese Han Dynasty.
- King Gogukcheon (Gaonanwu) of Goguryeo (Gaogouli) pushes Han Dynasty armies all the way back to Liaodong.
- Beolhyu of Silla ascends the throne.
- Guo Nüwang, empress of Cao Wei (d. 235)
- Origen, Christian theologian (approximate date) (d. 253 or 254)
- Sun Yi, younger brother of Sun Ce and Sun Quan (d. 203)
- June 6 – Qiao Xuan, Chinese official (b. 110)
- Adalla of Silla
- Bo Cai, Yellow Turban rebel general
- Han Zhong, Yellow Turban rebel
- Ma Yuanyi (beheaded by He Jin)
- Zhang Bao, younger brother of Zhang Jue
- Zhang Jue, Leader of the Yellow Turban Rebellion
- Zhang Liang, younger brother of Zhang Jue
- Zhang Mancheng, Yellow Turban rebel
- Zhao Hong, Yellow Turban rebel general