Complex sentence: It received its Royal Assent in 1845, however was absorbed by the Caledonian Railway in 1846 prior to the commencement of services on 1 June 1849.
Split into simpler sentences: It received its Royal Assent in 1845. It was however absorbed by the Caledonian Railway in 1846 prior to the commencement of services on 1 June 1849.