Complex sentence: It was originally raised for service in the French Revolutionary Wars by Thomas Graham, and served throughout the 19th century before being amalgamated into the Cameronians (Scottish Rifles) in 1881.
Split into simpler sentences: It was originally raised for service in the French Revolutionary Wars by Thomas Graham. The Regiment continued to serve throughout the 19th century before being amalgamated into the Cameronians (Scottish Rifles) in 1881.