Gregory persuaded Tiridates to destroy the last relics of the old paganism, and carried out in the religious sphere his sovereign's policy of detaching Great Armenia from the Sassanid realm and allying it with the GraecoRoman empire and civilization.
Leaving Paris for the time to its own resources, he struck eastwards in the hope of terrifying that potentate and of detaching him from the coalition.
But with the Bohemian reinforcements he had still four corps in hand, and Napoleon, whose intelligence service in the difficult and intersected country had lamentably failed him, had weakened his army by detaching a portion of his force in pursuit of the beaten right wing, and against the archduke's communications.
Soult (over 20,000), leaving Ney in Galicia, had taken and sacked Oporto (March 29, 1809); but the Portuguese having closed upon his rear and occupied Vigo, he halted, detaching a force to Amarante to keep open the road to Braganza and asked for reinforcements.
Towards 194 Septimius Severus completed the reform of Caligula by detaching from the province of Africa the greater part of Numidia to constitute a special province governed by a procurator, subordinate to the imperial legate and resident at Cirta (Tissot ii.