After the Dutch fleet under Admiral Cornelis Jol took Luanda, the Portuguese withdrew to the Bengo River, but following the renewal of the Kongo-Dutch alliance, Bengo was attacked and subsequently Portuguese forces withdrew to Massangano.
Setelah armada Belanda di bawah Laksamana Cornelis Jol merebut Luanda, Portugis menarik diri ke Sungai Bengo, namun setelah pembaharuan aliansi Kongo-Belanda, Bengo diserang dan kemudian pasukan Portugis mundur ke Massangano.