Operation Merapi

Operation Merapi
Part of Indonesian mass killings of 1965–66

Map of Central Java in Indonesia
DateDecember 1, 1965
Location
Result Indonesian government victory
Belligerents
PKI
Commanders and leaders
Sukarno
Suharto
Sarwo Edhie Wibowo
Usman 
Samadi 
R.W. Sukirno 
Sukirno 
Maryono 
Sahirman 

Operation Merapi was an operation conducted by the RPKAD on December 1, 1965, under the leadership of Colonel Sarwo Edhie Wibowo to assist the IV Military Regional Command/Diponegoro against the Communist Party of Indonesia in Central Java following the aftermath of the 30 September Movement and the early phases of the Anti Communist purges against the party. The operation marked a pivotal effort to restore stability in the region.