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BATTLE // August 19, 1991

Operation Opera Orientalis

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Overview

Operation Labrador was a false flag operation carried out by the Yugoslav Air Force's Counterintelligence Service (KOS) in the Croatian capital city of Zagreb during the early stages of the Croatian War of Independence. It was devised as a series of terrorist attacks intended to create an image of Croatia as a pro-fascist state. Two bombings were carried out on 19 August 1991, with one at the Jewish Community Centre and a second near Jewish graves at the Mirogoj Cemetery; there were no casualties. Additional attacks targeted the national railway network and were designed to implicate Croatian President Franjo Tudman. Operation Labrador was complemented by Operation Opera — a propaganda campaign devised by the KOS to feed disinformation to the media.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

Operation Opera Orientalis was a Yugoslav People's Army counterintelligence (KOS) false flag operation conducted in Zagreb during the early stages of the Croatian War of Independence. Two bombings were carried out on 19 August 1991—one at the Jewish Community Centre and one near Jewish graves at the Mirogoj Cemetery—with no casualties recorded. Additional attacks targeted the national railway network. The operation was designed to portray Croatia as a pro-fascist state and to implicate Croatian President Franjo Tuđman, thereby delegitimizing the Croatian independence movement in the eyes of the international community. It was complemented by Operation Opera, a KOS-run propaganda campaign intended to amplify the disinformation through media channels. Together, the two operations reflected a coordinated Yugoslav intelligence effort to shape external perceptions of the conflict at a moment when international recognition of Croatia remained undecided.

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Last verified June 2026
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