The territories in question were divided into two zones "A" and "B" which were placed under the control, respectively, of the allies and Yugoslavia; it must be remembered that the national borders were definitively sanctioned after the Treaty of Osimo of 10 November 1975).
The people of Trieste had already experienced a similar experience in the past when the 3 November of the 1918 destroyers Audace and Grecale moored in the redeemed city at the end of the first world war (this event is witnessed by the presence of the Audace anchor at the Victory lighthouse and the assignment of the name Audace to the dock where it docked).
Source: Military Navy