Maximilian had ordered Field Marshal Count Heinrich von Fürstenberg [de] to capture Dorneck Castle, held by Solothurn, which would allow his troops to reach as far as the valley of the Aare.

[3] The first attacks on 22 July were executed by the troops of Bern, Zürich, and Solothurn, but they were beaten back.

Near dusk, with the arrival of a thousand reinforcements[2] from Lucerne and Zug, which suddenly broke out of the woods "with horns and shouting" were the Imperial troops turned to flight after several hours' fighting.

[2] The battle of Dornach was the last armed conflict between the Swiss and any member state of the Holy Roman Empire.

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