Complex sentence: The area above and below the Bran Pass was probably settled about the end of the 17th century, and the oldest surviving record of the name Sirnea dates from 1729, when it was a Romanian agricultural village.
Split into simpler sentences: The area above and below the Bran Pass was probably settled about the end of the 17th century. The place was first mentioned as Sirnea in 1729, when it was a Romanian agricultural village.