Complex sentence: This role has been recognised since the 19th century; the constitutional writer Walter Bagehot identified the monarchy in 1867 as the "dignified part" rather than the "efficient part" of government.
Split into simpler sentences: This role has been recognised since the 19th century. The constitutional writer Walter Bagehot identified the monarchy in 1867 as the "dignified part" rather than the "efficient part" of government.