|Centuries:||1st century – 2nd century – 3rd century|
|Decades:||160s 170s 180s – 190s – 200s 210s 220s|
|Years:||190 191 192 – 193 – 194 195 196|
|193 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||946|
|Bahá'í calendar||-1651 – -1650|
|English Regnal year||N/A|
|Chinese calendar||壬申年 (Water Monkey)
2889 or 2829
— to —
癸酉年 (Water Rooster)
2890 or 2830
|Coptic calendar||-91 – -90|
|- Vikram Samvat||249–250|
|- Shaka Samvat||115–116|
|- Kali Yuga||3294–3295|
|Igbo calendar||-807 – -806|
|Iranian calendar||429 BP – 428 BP|
|Islamic calendar||442 BH – 441 BH|
|Minguo calendar||1719 before ROC
|Thai solar calendar||736|
|Wikimedia Commons has media related to 193.|
Year 193 (CXCIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Sosius and Ericius (or, less frequently, year 946 Ab urbe condita). The denomination 193 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.
- January 1 – Year of the Five Emperors: The Senate chooses Publius Helvius Pertinax, against his will to succeed the late Commodus as Emperor.
- Pertinax is forced to reorganize the handling of finances, which was wrecked under Commodus, and to reestablish discipline in the Roman army.
- Pertinax suspend the food programs established by Trajan, this provokes the ire of the Praetorians.
- March 28 – Pertinax is assassinated by members of the Praetorian Guard, who storm the imperial palace. The Empire is auctioned off, Marcus Didius Julianus the highest bidder, offers 300 million sesterces for the throne.
- April 9 – Lucius Septimius Severus is proclaimed Emperor by his troops in Illyricum (Balkans). He marches with his army (16 legions) to Rome.
- The Roman governors Clodius Albinus (Britannia) and Pescennius Niger (Syria) claim with support of their troops the imperial throne.
- June 1 – Septimius Severus enters the capital and has Julianus put to death. He replaces the Praetorian Guard with a 15,000 man force from the Danubian legions.
- Septimius Severus finally gains control of the Roman Empire, in Britain Clodius Albinus allies with him and accepted the title of Caesar. The Severan dynasty starts.
- British tribes take advantage of the disorder by the civil war and damage Hadrian's Wall. Extensive repairs to the defence work is carried out by the legionaries.
- Septimius Severus defeats the army under Pescennius at the Battle of Cyzicus and Battle of Nicaea (Asia Minor).
- Counterfeiting workshops begin to appear throughout the Roman Empire.
- The silver content of the Roman denarius falls to 50 percent under emperor Septimius Severus, down from 68 percent under Marcus Aurelius.
- March 28 – Pertinax, Roman Emperor (assassinated) (b. 126)
- June 1 – Didius Julianus, Roman Emperor (assassinated)
- Cao Song, father of the warlord Cao Cao
- Liu Yu, general of the Han Dynasty