Note 029
The date and duration of the reign of Probus are very
correctly ascertained by Cardinal Noris in his learned work,
De Epochis Syro-Macedonum, p. 96-105. A passage of Eusebius
connects the second year of Probus with the eras of several
of the Syrian cities.
Note to Chapter 12 of DECLINE & FALL by Gibbon