Table:
text: List of battles and other violent events by death toll
World War I
World War I
Estimate Name_ Nat_ Ship_Type Principal_victims Date_
1255 HMS Queen Mary UK Battlecruiser Crew May 31, 1916
1198 RMS Lusitania UK Ocean Liner Civilians May 7, 1915
1015 HMS Invincible UK Battlecruiser Crew May 31, 1916
1013 HMS Indefatigable UK Battlecruiser Crew May 31, 1916
903 HMS Defence UK Armoured cruiser Crew May 31, 1916
900 HMS Good Hope UK Armoured Cruiser Crew Nov 1, 1914
857 HMS Black Prince UK Armoured Cruiser Crew May 31, 1916
843 HMS Vanguard UK Battleship Crew Jul 19, 1917
839 SMS Pommern Ger Battleship Crew Jun 1, 1916
782 SMS Blücher Ger Armoured Cruiser Crew Jan 24, 1915

Question: What nationality is the ship if the main casualties are civilians from the battles of World War I and other violent fatalities?