The Battle of Nieuport (2 July 1600), also known as the Battle of the Dunes, was one of the few open field battles of the Eighty Years War, and the Dutch beat the Spanish. At that time anybody beating the Spanish was a surprise. I have reproduced Barry Nickle’s (1975) account of the 1600 campaign including the Battle of Nieuport. Then I’ve supplemented with some other sources, including Henry Hexham (1641).
Nickle (1975) has this to say about situation leading up to the Flanders campaign in 1600:
1600 The campaigns of 1598 and 1599 had been extremely