World War II: The Nazi-affiliated Ustaše is put in charge of the Independent State of Croatia by the Axis powers after Operation 25 is effected.

The Ustaše was a Croatian fascist and ultranationalist organization active, as one organization, between 1929 and 1945. It was formally known as the Ustaša – Croatian Revolutionary Movement. From its inception and before the Second World War, the organization engaged in a series of terrorist…