Siahkal incident

BelligerentsImperial State of IranOrganization of Iranian People's Fedai Guerrillas (OIPFG)Commanders and leadersMohammad Reza Pahlavi
Fereydoun Djam
Gholam Ali Oveissi
Fathollah Minbashian

Nematollah Nassiri
Hamid AshrafUnits involvedImperial Gendarmerie
Imperial Iranian Army
Shahrbani
SAVAK "Jungle Group" (9–13 members)Casualties and losses 3 killed in action (Gendarmes) 2 killed in action
11 executed

The Siahkal incident (Persian: واقعه سیاهکل) or Siahkal movement (Persian: جنبش سیاهکل) was a pivotal armed raid conducted on 8 February 1971 by members of the Fadaiyan-e-Khalq, an underground Iranian Marxist–Leninist guerrilla organization. Executed by a specialized clandestine cell known as the "Jungle Group" (Gorooh-e Jangal), the operation targeted a regional gendarmerie outpost in the forests of Gilan province. The primary objective was to secure the release of two captured Fadaee comrades. During the assault on the Siahkal station, three police officers were killed, resulting in the temporary liberation of the detainees. While the insurgents were eventually hunted down by the Imperial Iranian Army and SAVAK, the event is historically regarded as the formal inception of organized urban guerrilla warfare by the Fadaee against the Pahlavi dynasty.