|Shipyard||Bremer Vulkan, Vegesack (Werk 653)|
|Ordered||27 Jun 1917|
|Launched||6 Sep 1918|
|Commissioned||21 Mar 1919|
|No flotilla information available|
|Fate||21 Mar 1919 - Surrendered to France. Became the french submarine Jean Roulier until 24 July, 1935. Broken up..|
There was another U 166 in World War Two
That boat was launched from its shipyard on 1 Nov 1941 and commissioned into the Kriegsmarine on 23 Mar 1942. Take a look at the U 166 from WWII.