EntityQ7391565· pop 5· linked from 45 articlesSM U-20Sign in to save1916 U-20-class submarineConnectionsUljanikEntityGermanEntityViennaEntityWorld War IConceptVeniceEntityInternational Standard Book NumberEntityAdriatic SeaEntitysubmarineEntityTriesteEntityAnnapolisEntitymachine gunEntityRijekaEntityPulaEntityelectric motorEntitytorpedoEntityWiener NeustadtEntitydiesel engineEntityOCLC, Inc.EntityperiscopeEntityPenzanceEntityCategories1916 shipsMaritime incidents in 1918Ships built in PolaShips sunk by Italian submarinesU-20-class submarinesU-boats commissioned in 1917U-boats lost with all handsU-boats sunk by Italian warshipsU-boats sunk in 1918World War I shipwrecks in the Adriatic SeaWorld War I submarines of Austria-Hungary