Operation Clean and Beautiful Nation (), officially known as Operation Pyi Thaya in English, was a

military operation A military operation (op) is the coordinated military actions of a state, or a non-state actor, in response to a developing situation. These actions are designed as a military plan to resolve the situation in the state or actor's favor. Operati ...

conducted by the

Tatmadaw The Tatmadaw, also known as the Sit-Tat, is the armed forces of Myanmar (formerly Burma). It is administered by the Ministry of Defence and composed of the Myanmar Army, the Myanmar Navy and the Myanmar Air Force. Auxiliary services include ...

(Myanmar Armed Forces) in northern

Rakhine State Rakhine State ( ; , ; ), formerly known as Arakan State, is a Administrative divisions of Myanmar, state in Myanmar (Burma). Situated on the western coast, it is bordered by Chin State to the north, Magway Region, Bago Region and Ayeyarwady Re ...

, near

Myanmar Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and has ...

's border with

Bangladesh Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world and among the List of countries and dependencies by ...

. The operation took place in 1991 and 1992, under the

military junta A military junta () is a system of government led by a committee of military leaders. The term ''Junta (governing body), junta'' means "meeting" or "committee" and originated in the Junta (Peninsular War), national and local junta organized by t ...

of the

State Law and Order Restoration Council State most commonly refers to: * State (polity), a centralized political organization that regulates law and society within a territory **Sovereign state, a sovereign polity in international law, commonly referred to as a country **Nation state, a ...

(SLORC), officially as a response to the military expansion of the

Rohingya Solidarity Organisation The Rohingya Solidarity Organisation (RSO) is a Rohingya insurgent group and political organisation. It was founded in 1982 following a large scale military operation conducted by the Tatmadaw (Myanmar Armed Forces). The group discontinued it ...

(RSO). Similar to Operation Nagamin ( Operation Dragon King) in 1978, the government's official explanation for the operation was to expel so-called "foreigners" from the area, as well as capturing RSO insurgents. The resulting violence however, resulted in 200,000 to 250,000 civilians being displaced (most of whom fled to neighbouring

) and failed to prevent further attacks by the RSO, which continued until the end of the 1990s. In December 1991, Tatmadaw soldiers crossed the border and accidentally fired on a Bangladeshi military outpost, causing a brief strain in

Bangladesh–Myanmar relations The Bangladesh–Myanmar relations refer to the bilateral relationship between the neighbouring states of Bangladesh and Myanmar. The relationship between the two countries have been generally frosty under the Military rule in Myanmar, Burmese m ...

References

Rohingya conflict Conflicts in 1991 1991 in Myanmar {{Myanmar-hist-stub