|Battle of Mbidizi River|
|Part of the Kongo Civil War|
|Soyo and Ngoyo||Portuguese Empire|
|Commanders and leaders|
Count Estêvão da Silva†|
Prince Paulo da Silva
|Commander João Soares de Almeida|
Unknown number of musketeers|
heavy infantry and bowmen
4 Dutch light field pieces
Unknown number of irregular bowmen|
Unknown number of auxiliary Imbangala
400-500 Portuguese musketeers
4 light cannons and a detachment of cavalry
|Casualties and losses|
|Unknown but included Estêvão da Silva||Unknown but reportedly light|
The Battle of Mbidizi River was a military engagement between forces of the county of Soyo and those of the Portuguese colony of Angola during the Kongo Civil War. The engagement was part of a military campaign to break the power of Soyo in the region.
Pre-Battle Situation and the Kongo Civil War
In 1665 the Kingdom of Kongo clashed with their one-time allies the Portuguese at the Battle of Mbwila. The engagement resulted in a crushing Portuguese victory ending in the death of the Mwenekongo António I and most of the kingdom's nobility. Afterwards, Kongo erupted in a brutal civil war between the House of Kinlaza, which had ruled under the dead king, and the House of Kimpanzu. Soyo, home to many Kimpanzu partisans, was eager to take advantage of the chaos. Within a few months of the national tragedy at Mbwila, the Prince of Soyo invaded the capital of São Salvador and installed his protégé, Afonso II on the throne. This happened again in 1669 with the placement of Álvaro IX on the throne. By this time both the Portuguese and central authority in Kongo were growing tired of Soyo's meddling. While the Kinlaza and others in Kongo lived in fear of a Soyo invasion, the governor of Luanda was fearing the growing power of Soyo. With access to Dutch merchants willing to sell them guns and cannons plus diplomatic access to the Pope, Soyo was on its way to becoming as powerful as Kongo had been before Mbwila. Committing to the unthinkable, the weak central authority in Kongo asked Luanda to invade Soyo. In return, Portugal was promised money, mineral concesions and the right to build a fortress in Soyo to keep out the Dutch.
Responding to a plea by King Rafael I, a Portuguese colonial army from Luanda was dispatched to conquer Kongo's rebel province of Soyo in June 1670. The Count of Soyo Estêvão da Silva and his brother Prince Paulo da Silva moved with a force of BaKongo musketeers intermixed with heavy infantry holding shields for which BaKongo soldiers were famous to meet the force. The armies met just north of the Mbidizi River. The Portuguese were successful initially, just as they had been in earlier engagements against Kongo at Mbwila and Mbumbi. The Portuguese use of grapeshot inflicted many casualties on the Soyo army and forced the defeated to retreat. Enthused by their victory, the Portuguese captured the enemies' shields and marched further anticipating hand-to-hand combat at another location and hoping for a chance to show off their own talents in swordsmanship.
The Portuguese advanced deeper into Kongo where they were met and defeated by Soyo at the Battle of Kitombo.
- Thornton, John K: "Warfare in Atlantic Africa 1500-1800," 1999. Routledge. Page 103.
- Thornton, John K: "The Kongolese Saint Anthonty: Dona Beatriz Kimpa Vita and the Antonian Movement, 1684-1706", page 69. Cambridge University, 1998
- Thornton, John K: "The Kongolese Saint Anthonty: Dona Beatriz Kimpa Vita and the Antonian Movement, 1684-1706", page 78. Cambridge University, 1998
- Gray, Richard: "Black Christians & White Missionaries", page 38. Yale University, 1990
- Birmingham, David: "Portugal and Africa", page 61. Palgrave Macmillan, 1999
- Thornton, John K: "Warfare in Atlantic Africa 1500-1800", page 121. Routledge, 1999
- Thornton, John K: "Warfare in Atlantic Africa 1500-1800", page 105. Routledge, 1999
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