The recruiting poster for the Prussian Regiment was drafted by Isenburg and read: Valiant warriors, rally to the standards of Napoleon the Great and follow his steps which will guide you to victory and immortal renown.

[3] In early 1808 the 1st battalion of Prussian Regiment was given an active role and assigned to the 3rd Division of Marshal Moncey’s Coast Observation Corps in Spain.

After taking part in the French offensive in Spain at Valencia in June, the 1st battalion was assigned to garrison duty at Vitoria.

[4] Early in 1810 the 2nd battalion of the Prussian Regiment was assigned to General Junot’s VIII Corps fighting in Portugal.

In the spring of 1811 the Prussian Regiment was assigned to garrison duty in Spain at Ciudad Rodrigo and fought an action near there on 18 June 1811.

'[8] Napoleon considered using the regiment to help make up for losses suffered in the Russian campaign, but decided against it on 12 January 1813: 'If the men are mostly Prussian, they will not be worth anything and they should be left in Holland.

[citation needed] On 15 November, riots broke out in Amsterdam, which led to a revolt against the French occupation.

[citation needed] The regiment marched towards Delft on the 18th, but the next day, 200 men returned, wearing orange cockades.