Erlang dates back to Ericsson's CSLab in 1986. It's explained in good detail in this thesis by Joe Armstrong[0]. From that paper, the first significant produc

Erlang dates back to Ericsson's CSLab in 1986. It's explained in good detail in this thesis by Joe Armstrong[0]. From that paper, the first significant production use came in 1995 with the Ericsson AXD301 switch. [0] http://www.erlang.org/download/armstrong_thesis_2003.pdf http://www.erlang.org/download/armstrong_thesis_2003.pdf