Oromo expansion

Quick Facts: Who was Oromo expansion?

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Oromo expansion

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A series of 16th-17th century expansions by the Oromo people across East Africa.

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Origins & Early Life

The Oromo expansions or the Oromo invasions (in older historiography, Galla invasions), were a series of expansions and conquests in the 16th and 17th centuries by the Oromo primarily documented by the Gamo monk Bahrey, but also mentioned in other Christian, Muslim and Portuguese records. Prior to their great expansion in the 16th century, the Oromo inhabited only the area of what is now modern-day southern Ethiopia and northern Kenya. Over the centuries, many factors – mostly the wars between the Adal Sultanate and the Ethiopian Empire – would further encourage the numerous Oromo pastoralist tribes to expand towards what is now central and eastern Ethiopia. The military campaigns of Imam Ahmad ibn Ibrahim al-Ghazi and the Adal Sultanate against the Christian kingdom created a political and military vacuum that allowed the Oromo to move relatively unhindered into the territories of both the Christian kingdom and the Muslim sultanates. A medieval European, the Portuguese missionary Manuel de Almeida, upon learning of the invasion, noted that both Adal and Abyssinia were experiencing divine retribution: Thence first came this plague and scourge of God in the days of the Emperor David, who was at first called by his baptismal name, Lebena Danguil, and was also called Onag Cagued afterwards.

Pivotal Works & Achievements

They emerged at the same time as the Moor Granh of Adel had invaded and already conquered a large part of the empire. They invaded the Kingdom of Baly, with which they had a common frontier, or of which they were close neighbours. They also invaded the Kingdom of Adel which we call Zeila, bordering on Baly, for the Gallas were the scourge, not only of the Abyssinians, but also of the Moors of Adel. This was either so that they should not be proud about their victories over the Abyssinians, or else so that the Abyssinians should understand that, through Granh and the Moors of Adel, God was punishing them as a loving father, to make them ask for help from the King of Portugal, promise to obey the Roman Pontiff, accept the true faith and abominate the heresies of Eutches and Dioscurus. The legend of Liqimssa is an ancient legend stemming from the Borana sect of the Oromo peoples that is credited as having been one of the main motivations for the beginning of the Oromo expansions.

Enduring Legacy & Impact

The Liqimssa roughly translates to "The Swallower" and was told to be a beast that consumed people one by one until there was nobody left to fight against it. It is meant to embody "hunger", and the story represents how a powerful entity will consume all there is around it until the "land of plenty" (in reference to the Borana homeland) is left barren and empty. The early expansions were characterized by sporadic raids by Oromo pastoralists on the frontiers of the Ethiopian kingdom. After capturing cattle and other booty, the raiding parties would quickly return to their homelands. Actual settlement of new territories would not begin until the Gadaa of Meslé.

Historical Fact-Check Quiz: Oromo expansion

True or False: “The Oromo expansions were solely motivated by direct conflict with the Ethiopian Empire.”

Answer (FALSE ❌): While wars between Adal and the Ethiopian Empire created a vacuum, other factors, including internal tribal dynamics and the Gadaa system, also fueled expansion.

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