Complex sentence: John Murray (c.1775--c.1807) was a seaman and explorer of Australia, and the first European to discover Port Phillip, the bay on which the cities of Melbourne and Geelong are situated.
Split into simpler sentences: John Murray (c.1775--c.1807) was a seaman and explorer of Australia. He was the first European to discover Port Phillip, the bay on which the cities of Melbourne and Geelong are situated.