Mezue ahịrịokwu na-esonụ: Werner von Siemens gosipụtara trams mbụ nwere eriri elu na
1881 International Exposition of Electricity na Paris: ewepụrụ ihe nrụnye ahụ mgbe ihe omume ahụ gasịrị. N'ọnwa Ọktoba nke afọ 1883, ụzọ ụgbọ okporo ígwè mbụ na-aga n'ihu na-aga n'ihu na-aga n'ihu na-aga n'ihu na Mödling na Hinterbrühl Tram na Austria. Ụgbọ okporo ígwè ndị ahụ nwere ụzọ abụọ dị n'elu, nke nwere U-pipe abụọ, bụ́ ebe ndị pantograph na-ada ma na-agba ọsọ dị ka ụgbọ njem. Site n'April ruo June 1882, Siemens nwalere usoro yiri nke ahụ na Electromote ya, bụ́ onye bu ụzọ n'ụgbọala trolleybus.