1916 ⟶ SS Principe Umberto Sunk in Adriatic Sea
In the Adriatic Sea the Italian troopship SS Principe Umbert...Year
1915
1916
1917
🤿 Germany Begins Unrestricted Submarine Warfare
Germany begins unrestricted submarine warfare against merchant vessels.⟶

Submarine WarfareWorld War IAtlantic OceanNaval WarfareUnrestricted WarfareGermany



🇮🇹 Third Battle of the Isonzo

Italian FrontBattleItalyAustria-HungaryWorld War IIsonzo


🇮🇹 Fourth Battle of the Isonzo

World War IItalian FrontBattlesItalyAustria-HungaryMilitary Conflict


💥 SS Principe Umberto Sunk in Adriatic Sea
In the Adriatic Sea the Italian troopship SS Principe Umberto is sunk by an Austro-Hungarian submarine. It is the deadliest sinking of the war, with 1,900 lives lost.⟶

Naval DisasterWorld War IAdriatic SeaSubmarine WarfareCasualtiesItalyAustria-HungaryNaval Warfare


💣 SS Housatonic Sunk
SS Housatonic an American steamer carrying wheat from Galveston, Texas to England is sunk by a U-boat.⟶

World War INaval WarfareU-boatsSubmarine WarfareAtlantic OceanMerchant MarineGerman NavyUS Neutrality


