The Slag om Grolle 2027 transforms Groenlo (Gelderland) into a living open-air museum of the year 1627 for three days. More than 1,600 re-enactors from over fifteen countries restage the town's siege in the Eighty Years' War — 2027 marks a special jubilee (400 years since the siege, 750 years of city rights).

Highlights:

• Large 1627 battle re-enactment at the Schootsveld (twice daily)
• Historical market, crafts and theatre in the car-free old town
• Over 1,600 re-enactors from 15+ countries
• Jubilee edition: 400 years since the siege, 750 years of city rights