| 1902: |
Part of the Reconnaissance Group of the 1st Squadron after being commissioned. |
| 1903-1904: |
Flagship of the reconnaissance forces. |
| 04.04.1906: |
Decommissioned. |
| 15.05.1908: |
Recommissioned as artillery training ship. |
| 31.10.1912: |
Decommissioned. |
| 05.08.1914: |
Recommissioned at the outbreak of the war. |
| 25.08.1914: |
As part of the 4th Reconnaissance Group, Prinz Heinrich
is used as a defense ship in the Baltic Sea entrance and for patrols in the Jade estuary |
| Apr 1915: |
Attached to the Baltic Sea fleet. |
| May - Oct 1915: |
Several operations in the Baltic Sea like mine laying, the attack on Libau and operations at the Baltic Islands. |
| 27.03.1916: |
Decommissioned caused by the lack of personal. Used as barrack ship. |
| 25.01.1920: |
Stricken from fleet list, in the following time, Prinz Heinrich is scrapped in Audorf near Rendsburg. |
