Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Derfflinger bụ akụkụ nke I Scouting Group maka ọtụtụ Agha Worldwa Mbụ, ma tinye aka na ọtụtụ ụgbọ mmiri n'oge agha ahụ. O sonyere na bọmbụ nke obodo ndị dị n'ụsọ oké osimiri England, yana agha nke Dogger Bank na Jutland, ebe nguzogide ya siri ike dugara ndị Britain na-akpọ ya "Iron Dog". Ụgbọ mmiri ahụ bụ akụkụ nke kpatara mbibi nke ụgbọ mmiri agha Britain abụọ na Jutland; Derfflinger na Seydlitz bibiri Queen Mary, Lützow nyekwara nwanne ya nwanyị nke okenye aka n'imebi Invincible. A kpọchiri Derfflinger na ndị fọdụrụ n'ụgbọ mmiri nke High Seas na Scapa Flow na-eso nkwekorita agha na November 1918. N'okpuru iwu nke Rear Admiral Ludwig von Reuter, ụgbọ mmiri ndị a kpọchiri na 21 June 1919; Derfflinger mikpuru na 14:45.  Ajụjụ: Gịnị bụ utu aha Derfflinger?
Nkịta Iron