Julian and the invasion of Persia

[Ti Cl Nero]

Salve,
I paid too little attention to that "after 363" which Mithras wrote in his previous message.
I guess (also from the details Mithras supplies), then, that this was a reference to Ammianus XXVI.10.3 ; here it is said that Goths sent 3000 troops as a support to the usurper Procopius, who unsuccessfully tried to throw Valens off (365-366AD).
Anyway this contingent has exactly the same meaning; the fact that Ammianus says, while talking of these Goths, that Procopius claimed to be relative of Costantine, as if he meant to explain in this way the reason of the supplying of Gothic troops, is considered an important evidence in order to confirm that this was done under the agreements of Costantine's treaty: Goths were bound to send a support upon request, and this was due to Procopius (as Constantine's relative), rather than Valens, which also makes perfectly sense considering how treaties worked.
Obviously strategic and politic contexts were much more complex and the real reasons of Gothic support to Procopius may be (probably they are) different, but the treaty offered a frame which made this support "legal".
Valete