Military Wiki
Operation Clean and Beautiful Nation
Part of the Rohingya insurgency in Western Myanmar
LocationNorthern Rakhine State,
Bangladesh-Myanmar border

Burmese tactical failure

  • Failure to disarm and expel RSO insurgents
Myanmar (SLORC) Rohingya Solidarity Organisation
Commanders and leaders
Saw Maung Muhammad Yunus
Casualties and losses
200,000[2]–250,000[3] displaced

Operation Clean and Beautiful Nation, also known as Operation Pyi Thaya (Burmese language: ပြည်သာယာ စစ်ဆင်ရေး), was a large scale military operation conducted by the Tatmadaw (Myanmar Armed Forces) in northern Rakhine State, near Myanmar's border with Bangladesh.[2][4][5][6] The operation took place between 1991 and 1992,[1] under the military junta of the State Law and Order Restoration Council (SLORC), officially as a response to the military expansion of the Rohingya Solidarity Organisation (RSO).[3]

Similar to Operation King Dragon in 1978, the government's official explanation for the operation was to disarm and expel Rohingya insurgents (specifically of the RSO) from the area. The resulting violence however, resulted in 200,000[2] to 250,000[3] civilians being displaced (most of whom fled to neighbouring Bangladesh) and failed to prevent further attacks by the RSO, which continued until the end of the 1990s.[4][6]

In December 1991, Tatmadaw soldiers crossed the border and accidentally fired on a Bangladeshi military outpost, causing a brief strain in Bangladesh-Myanmar relations.[3]


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