▁ ▁History ▁▁ 1 8 4 7 ▁to ▁ 1 9 0 1 ▁ ▁S iem ens ▁& ▁H als ke ▁was ▁founded ▁by ▁Werner ▁von ▁S iem ens ▁and ▁Johann ▁Georg ▁H als ke ▁on ▁ 1 ▁October ▁ 1 8 4 7 . ▁Based ▁on ▁the ▁te legraph , ▁their ▁in vention ▁used ▁a ▁need le ▁to ▁point ▁to ▁the ▁sequence ▁of ▁letters , ▁instead ▁of ▁using ▁Mor se ▁code . ▁The ▁company , ▁then ▁called ▁Te legraph en - B au anstalt ▁von ▁S iem ens ▁& ▁H als ke , ▁opened ▁its ▁first ▁work shop ▁on ▁ 1 2 ▁October . ▁ ▁In ▁ 1 8 4 8 , ▁the ▁company ▁built ▁the ▁first ▁long - distance ▁te legraph ▁line ▁in ▁Europe ; ▁ 5 0 0   km ▁from ▁Berlin ▁to ▁Frankfurt ▁am ▁Main . ▁In ▁ 1 8 5 0 , ▁the ▁founder ' s ▁younger ▁brother , ▁Carl ▁Wilhelm ▁S iem ens , ▁later ▁Sir ▁William ▁S iem ens , ▁started ▁to ▁represent ▁the ▁company ▁in ▁London . ▁The ▁London ▁ag ency ▁became ▁a ▁branch ▁office ▁in ▁ 1 8 5 8 . ▁In ▁the ▁ 1 8 5 0 s , ▁the ▁company ▁was ▁involved ▁in ▁building ▁long ▁distance ▁te legraph ▁networks ▁in ▁Russia . ▁In ▁ 1 8 5 5 , ▁a ▁company ▁branch ▁head ed ▁by ▁another ▁brother , ▁Carl ▁Heinrich ▁von ▁S iem ens , ▁opened ▁in ▁St ▁Petersburg , ▁Russia . ▁In ▁ 1 8 6 7 , ▁S iem ens