Complex sentence: Opened by the Llanelly Railway on 6 May 1841, it was taken over jointly by the Great Western Railway and London and North Western Railway in 1873; it became part of the London, Midland and Scottish Railway during the Grouping of 1923.
Split into simpler sentences: Opened by the Llanelly Railway on 6 May 1841, the station was taken over jointly by the Great Western Railway and London and North Western Railway in 1873. It became part of the London, Midland and Scottish Railway as a result of the Grouping of 1923.