7 events the sources record for this year, grouped by region.
What happened
South Asia (1)
General Sirinaga, the queen's brother, marched on the capital with cavalry and troops, attacked Kunchanaga, and seized the throne. (Mahavamsa (Great Chronicle of Sri Lanka) 36.20-23)
Southern Europe (6)
At the amphitheater entrance Claudius Pompeianus (Lucilla's lover) menaced Commodus with a dagger, saying "This is what the Senate sends you"; the plot was Lucilla's and the assassination failed (Cassius Dio, Roman History 73(72).4.4)
Commodus exiled Crispina for adultery and Lucilla for plotting his murder to the island of Capri, and later had them executed (Cassius Dio, Roman History 73(72).4.6)
Commodus killed, together with one son, the Quintilii brothers Condianus and Maximus, famed for learning, military skill and brotherly love (Cassius Dio, Roman History 73(72).5.3)
Commodus dismisses his father's friends and installs the Italian-born Perennis as praetorian prefect, entrusting him with the government. (Herodian, History of the Empire 1.8)
His sister Lucilla incites Quintianus to plot Commodus's assassination. Quintianus draws a dagger in a theater passage, shouting, and is seized. (Herodian, History of the Empire 1.8)
Quintianus's shout lodges in Commodus's heart, and from then on he regards the whole Senate as his enemy. (Herodian, History of the Empire 1.8)