For Lusitania Month This is a real ship (History) On 7 May, 1915, British ocean liner RMS(Royal Mail Ship) Lusitania, under ownership of Cunard Line, was on her 202nd Transatlantic Crossing. However, on that day, German U-Boat (Submarine) SM U-20 torpedoed the ship, sinking her in 18 minutes taking 1,197 down with her. Credit @Remaker_Gamez for Sleeping Sun.