 <translate> Nke a bụ ozi dị mkpa: London Underground meghere nke mbụ ya dị ka "ụgbọ okporo ígwè dị n'okpuru ala" na 1863 na ụzọ ụgbọ oloko mbụ ya nke nwere ọkụ eletrik meghere na 1890, na-eme ka ọ bụrụ usoro ụgbọ oloko mbụ n'ụwa. Ya mere, azịza ikpeazụ bụ 1890. <hau> Wannan shine bayanin da ya dace: London Underground ya fara buɗewa a matsayin "hanyar jirgin ƙasa" a cikin 1863 kuma an buɗe layin farko na lantarki a ƙarƙashin ƙasa a cikin 1890, yana mai da shi tsarin metro na farko a duniya. Saboda haka, amsar karshe ita ce 1890. 