▁Karl ▁D ön itz , ▁on ▁ 4 ▁October ▁ 1 9 1 8 ▁U B - 6 8 ▁encountered ▁technical ▁problems ▁and ▁had ▁to ▁surface ▁where ▁she ▁was ▁s unk ▁by ▁gun fire ▁at ▁. ▁There ▁was ▁one ▁dead ▁and ▁thirty - three ▁surv iv ors . ▁Other ▁sources ▁name ▁the ▁British ▁war ships ▁involved ▁in ▁the ▁s inking ▁of ▁U B - 6 8 ▁as ▁ ▁and ▁, ▁and ▁claim ▁four ▁crew ▁members ▁died ▁in ▁the ▁event . ▁ ▁Sum mary ▁of ▁ra iding ▁history ▁ ▁References ▁ ▁Notes ▁ ▁Cit ations ▁ ▁Bibli ography ▁▁▁▁▁ ▁Category : G erman ▁Type ▁U B ▁III ▁sub mar ines ▁Category : U - bo ats ▁commission ed ▁in ▁ 1 9 1 7 ▁Category : World ▁War ▁I ▁sub mar ines ▁of ▁Germany ▁Category : 1 9 1 7 ▁ships ▁Category : U - bo ats ▁s unk ▁by ▁British ▁war ships ▁Category : World ▁War ▁I ▁ship w re cks ▁in ▁the ▁Mediter rane an ▁Category : Mar itime ▁inc idents ▁in ▁ 1 9 1 8 <0x0A> </s> ▁Wu ▁Ch ao ▁( born ▁January ▁ 1 9 , ▁ 1 9 9 2 ) ▁is ▁a ▁Chinese ▁weight l if ter . ▁ ▁References ▁ ▁Category : 1 9 9 2 ▁birth s ▁Category : L iving ▁people ▁Category : World ▁We ight l ifting ▁Championships ▁medal ists ▁Category : Ch inese ▁male ▁weight l if ters <0x0A> </s> ▁" H ard ▁to ▁Love " ▁is ▁a ▁song ▁written ▁by ▁Billy