173

The year 173 (CLXXIII) was a common year beginning on a Thursday of the Julian calendar, in force on that date.

In the Roman Empire the year was named the year of the consulate of Severus and Pompeianus, or less frequently, as 926 ab urbe condita, being its denomination as 173 at the beginning of the Middle Ages, when establishing the anno Domini.

Events

• Buddhism is introduced in Tibet.

Births

• Maximine the Trace, Roman emperor.