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In page Battle of Landskrona:

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On July 12 the Swedish army of 10,000 men had been reinforced with 4,000 peasants from Småland and left its camp near Klippan to march south. The Swedes planned to attack the Danish army that had been weakened by losses at Malmö before reinforcements could arrive from Germany and Austria via Landskrona. The Danes however, had already returned to Landskrona and camped on the hills west of the town.