The Oromo Peoples' Democratic Organization (OPDO) is an ethnic-based political party in Ethiopia, which is allied with the Amhara National Democratic Movement, the South Ethiopian Peoples' Democratic Front and the Tigrayan Peoples' Liberation Front to form the Ethiopian People's Revolutionary Democratic Front (EPRDF). The Tigrayan Peoples Liberation Front, or TPLF, is the core group of the Ethiopian Peoples Revolutionary Democratic Front (EPRDF), the political party that is leading Ethiopia as of 2005. ... The Ethiopian Peoples Revolutionary Democratic Front, or EPRDF, is the ruling political party of Ethiopia. ...

It was created in late 1989 by the EPRDF after they grew dissatisfied by their relations with the existing Oromo Liberation Front in their military actions against the Derg regime. At first a weak organization, according to Paul B. Henze, the OPDO attracted defectors from Derg military units and gained supporters when in 1991 the EPRDF occupied parts of the provinces of Wollo and Shewa with significant Oromo majorities.¹ 1989 is a common year starting on Sunday of the Gregorian calendar. ... This article needs to be cleaned up to conform to a higher standard of quality. ... 1991 is a common year starting on Tuesday of the Gregorian calendar. ... Wollo was a province in the north-eastern part of Ethiopia, with its capital city at Dessye. ... Shewa (also spelled Shoa) is a historical region of Ethiopia. ... The Oromo are an African ethnic group found in Ethiopia and to a lesser extent Kenya. ...

Notes

1. Paul B. Henze, Layers of Time: A History of Ethiopia (New York: Palgrave, 2000), p. 322.