| 18.03.1916: |
Bayern is commissioned. |
| -31.05.1916: |
Tests and trials. |
| 15.07.1916: |
Attached to the 3rd Battleship Squadron. |
| 07-16.08.1916: |
Flagship of the Hochseeflotte. |
| 18-20.08.1916: |
Unsuccessful raid in the North Sea. |
| 19.10.1916: |
Unsuccessful raid in the North Sea. |
| 05.11.1916: |
Operation at the Danish West Coast. |
| 19.09.1917: |
Operations at the Baltic Islands. |
| 12.10.1917: |
Hit by a mine near Oesel. The ship returns to Kiel with 1000 ts water in the bow. |
| 03.11-27.12.1917: |
Repairs at Kaiserliche Werft in Kiel, to improve the stability of the ship structure, the underwater torpedo tubes are removed. Four 8,8cm Anit-Aircraft guns are installed. |
| 23.04.1918: |
Unsuccessful raid in the northern North Sea up to the Stavanger area. |
| 06.12.1918: |
Interned at Scapa Flow. |
| 21.06.1919: |
Scuttled by own crew. |
| 18.07.1934: |
First attempt to raise the wreck fails, ship sinks again after 30 minutes. |
| 01.09.1934: |
Wreck raised from 40 meters water depth |
| 1935: |
Wreck broken down in Rosyth |
