|Shipyard||Kaiserliche Werft, Danzig|
|Ordered||27 May 1916||Laid down||4 Nov 1916|
|Launched||8 Sep 1917|
|Commissioned||20 Jun 1918|
|start date unknown - 11 Nov 1918 III Flotilla
|Fate||20 Nov 1918 - Surrendered. Ran aground on the English East coast on the way to be broken up in 1921..|
There was another U 135 in World War Two
That boat was launched from its shipyard on 12 Jun 1941 and commissioned into the Kriegsmarine on 16 Aug 1941. Take a look at the U 135 from WWII.