Bernese Jura Railway
The Jura–Bern–Lucerne merged with the Western Switzerland–Simplon Railways ( "Suisse-Occidentale–Simplon" , SOS ) to form the Jura–Simplon Railway ( "Jura-Simplon-Bahn" ) , JS ) on 1 January 1890 . 
<triplet> Jura–Simplon Railway <subj> 1 January 1890 <obj> inception