1st (1st East Prussian) Grenadiers "Crown Prince"

The 1st (1st East Prussian) Grenadiers was an infantry regiment of Brandenburg-Prussia, later Kingdom of Prussia.

17th century
The regiment was established in December 1655 by and later took part in the Battle of Warsaw.

18th century
The regiment took part in the First and Second Silesian Wars.

19th century
Before 1814 March, during Napoleonic Wars, after the reforms of 1806 the unit was created and named as '''1. East Prussian Infantry Regiment "Prinz Carl von Mecklenburg-Strehlitz“'''.

During the Napoleonic Wars, in the date of 1814 March, the unit was renamed East Prussian Grenadier Regiment No. 1 "Crown Prince".

In 1855, the 1st (1st East Prussian) Grenadiers "Crown Prince" was moved from Danzig to Königsberg, where it remained.

The regiment fought in the Austro-Prussian War and later the Franco-Prussian War.

In memory of its former chief, the regiment received the name Grenadier Regiment King Frederick III (1st East Prussian) No. 1 on 21 June 1888.

20th century
During World War I, the regiment was assigned to the 1st Infantry Brigade of the 1st Division. After the war, the regiment was demobilized in December 1918, and finally dissolved in June 1919.