🌐EnglishEnglishFrançaisPolskiالعربيةفارسی中文EntityQ7391622· pop 6· linked from 46 articlesSM UB-131915 Type UB I submarineConnectionsImperial German NavyEntityprizeEntityCategories1915 shipsGerman Type UB I submarinesMaritime incidents in 1916Ships built in BelgiumShips built in Bremen (state)U-boats commissioned in 1915U-boats lost with all handsU-boats sunk by minesU-boats sunk in 1916World War I shipwrecks in the North SeaWorld War I submarines of Germany