Simplify the following text for a Grade 5 native English-speaking person.
Original: One of its hotels , the Lion of Waterloo , established by Nicolas Hyeronimus in 1842 , is the oldest operating west of the Blue Mountains , and is near the venue of the last recorded duel fought on Australian soil in 1854 .
Simplified: A hotel that opened in 1842 is the oldest hotel west of the Blue Mountains . It was also the site of the last recorded duel fought in Australia in 1854 .