Battle of Kallo

The Battle of Kallo was a major field battle fought from 20 to 21 June 1638 in and around the forts of Kallo and Verrebroek, located on the left bank of the Scheldt river, near Antwerp, during the second phase of the Eighty Years' War. Following the symbolic recovery of Breda during the 1637 campaign, the Dutch Republic agreed with the French Crown, with whom it had allied in 1635, to besiege a major city in the Spanish Netherlands during the 1638 campaign. The commander of the Dutch States Army, Frederick Henry of Orange, planned an approach over Antwerp from the two sides of the Scheldt. Count William of Nassau-Siegen was entrusted to land in the Spanish-controlled Waasland region, west of Antwerp, to seize the forts of Kallo and Verrebroek, along with several other key fortifications, to invest Antwerp from the west. In the meantime, Frederick Henry would advance on the opposite bank to complete the blockade of the city while the armies of France invaded the Spanish Netherlands from the south to oblige the Spanish Army of Flanders to divide its forces.

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