Complex sentence: The common name "Monarch" was first published in 1874 by Samuel H. Scudder because "it is one of the largest of our butterflies, and rules a vast domain"; however, the name may be in honour of King William III of England.
Split into simpler sentences: The common name "Monarch" was first published in 1874 by Samuel H. Scudder because "it is one of the largest of our butterflies, and rules a vast domain". But the name may be in honour of King William III of England.