On June 11, 1914, his military career suffered a severe blow when he was taken prisoner in the Savio River[3] by armed demonstrators who held him captive for a certain period of time.
Stopped by the rioters, and not being able to defend themselves armed only with standard sabers that remained in the carriages, Agliardi and his officers were taken to the Torsani restaurant.
[5] Desperately determined to resist, the strikers were persuaded to give up the fight thanks to his mediation with the cavalry platoon commander.
He obtained the dissolution of the checkpoint and the withdrawal of the cavalry in exchange for the release of all the captured soldiers.
He maintained the brigade until January 14, 1916, when he was replaced by Colonel Luigi Solari and he then participated in the defense of Oslavia.
[11] He Subsequently, took part in the conquest of Gorizia, setting foot on the right bank[12] of the Isonzo River on August 8, 1916.
[13] Between 1917 and 1918, he commanded the XXVII Marching Brigade and for the defense of the Codroipo bridgehead during the rout of Caporetto he was awarded his second Silver Medal of Military Valor.
For the battle of Mai Maret, February 25, 1896.With the department under his orders he managed to take possession of the northern gate of the city, thus repelling the enemy who was trying to retake it.