Complex sentence: It was formed by a merger of the Bernese Jura Railway and the Bern-Lucerne Railway in 1884, became part of the Jura Simplon Railway in 1891, and was merged into the Swiss Federal Railways in 1902.
Split into simpler sentences: It was formed by a merger of the Bernese Jura Railway and the Bern-Lucerne Railway in 1884, became part of the Jura Simplon Railway in 1891. The Jura Simplon Railway was merged into the Swiss Federal Railways in 1902.