Yugoslav Army victory 4th Army XV Mountain Corps Uprisings 1942 1943 1944 1945 Lika-Primorje operation was a military operation carried out by the Yugoslav Partisan 4th Army against Wehrmacht units and the Croatian Armed Forces.

It was conducted in the area of Lika and Western Bosnia from 20 March to 15 April 1945.

In the first phase, the 4th Army took eastern Lika and Bihać, and in the second it took Gospić, Perušić, Lički Osik and Otočac.

After 7 April 1945, units of the 4th Army continued the movement towards Rijeka.

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