| 20.08.1915: |
Frankfurt
is commissioned. |
| - 12.10.1915: |
Training and trials, attached to the II Reconnaissance Group. |
| - 03.12.1915: |
Exercises in the Baltic Sea. |
| 04.12.1915: |
Sent to the North Sea. |
| 16-18.12.1915: |
With other ships of the II Reconnaissance Group, the Frankfurt covers the operation of three torpedo boat flotillas. |
| Mar - Apr 1916: |
Used during Hochseeflotte fleet operations. |
| 21.04.1916: |
The cruiser is unsuccessfully attacked by a British submarine. |
| 24.04.1916: |
During the cover operations at the battlecruiser attack on Great Yarmouth, the cruiser sinks a British patrol boat. |
| 24.05.1916-01.06.1916: |
As flagship of the II. Reconnaissance Group, the ship takes part at the battle of Jutland where it is not damaged. |
| 04.06-07.07.1916: |
Repairs at Kiel, the gun mountings are modified. |
| 18-19.08.1916: |
Frankfurt
covers fleet operations. |
| 23-24.09.1916: |
The cruiser protects two torpedo boat flotillas near the Doggerbank. |
| 25-26.09.1916: |
Another torpedo boat support operation. |
| Spring 1917: |
Patrol duty in the North Sea, training in the Baltic Sea. |
| 29.05-18.06.1917: |
Repairs in Wilhelmshaven. |
| 16.08.1917: |
Frankfurt
covers mine hunters in the North Sea. |
| 03-22.09.1917: |
Training in the Baltic Sea. |
| 23.09-27.10.1917: |
Operations at the Baltic Islands. |
| 02-03.11.1917: |
Reconnaissance operations in the German Beight. |
| 16-17.11.1917: |
During another reconnaissance operation, the Frankfurt
is engaged by several British warships. While the cover group of German battleships and battlecruisers support the cruiser, the Frankfurt
is hit several times. |
| -17.12.1917: |
Repairs in Kiel. |
| 21.1-10.02.1918: |
Training in the Baltic Sea. |
| 10-13.03.1918: |
Together with Emden II
, Graudenz
and Bremse
, the Frankfurt
operates at Jutland against allied merchant shipping. |
| 10-13.05.1918: |
Mine operations. |
| -Aug 1918: |
Operations in the Baltic Sea. |
| 30.09.1918: |
Because of a prop damage, the ship is sent to Wilhelmshaven for repairs. |
| -08.10.1918: |
Repairs. |
| 21.10.1918: |
During training exercises, the Frankfurt
rams the U-boat UB89
which sinks after the collision. |
| 26.11.1918: |
Interned at Scapa Flow. |
| 21.06.1919: |
The attempt to scuttle the ship fails, and the ship is towed into shallow water. |
| Jul 1919: |
The ship is raised. |
| Summer 1921: |
Taken over by the USA, the Frankfurt
is transferred to Cape Henry. |
| 18.07.1921: |
Sunk by a bomb during an experimental air attack. |