A fog-bound breakthrough shatters Italian lines and exposes fragility of command and morale.

Italy weighs alliance loyalties, promises, and costly ambition before joining the war.

A long, costly tempo on the Isonzo reveals stiff defenses, punitive leadership, and morale fray.

German-Austro plans shock Italy with gas, fog, and infiltration, fracturing the front in hours.

Armando Diaz reshapes strategy, discipline, and morale to reframe Italy’s war effort.

Caporetto reshapes Allied strategy, home fronts, and the political arc toward postwar Europe.