Home›1908 ships›SM U-4🌐EnglishEnglishDeutschFrançaisPolskiفارسی中文EntityQ7391581· pop 6· linked from 56 articlesSM U-4Austro-Hungarian Navy's U-3-class submarineWikidata factsImageSM Unterseeboot Nr. IV.jpgSources (1)pl.wikipedia.orgvia Wikidata · CC0On the mapAvailable in 5 languagesFinnishHungarianPolskiفارسیvia Wikidata sitelinks · CC0Connectionsgross register tonnageEntityImperial German NavyEntityCategories1908 shipsShips built in KielU-3-class submarinesU-boats commissioned in 1909World War I submarines of Austria-Hungary