Complex sentence: The Royal Menagerie was closed in 1835 by the Duke of Wellington, the governer of the tower, when a monkey bit a soldier, so Old Martin, along with the other animals, was moved to the new London Zoo in Regent's Park.
Split into simpler sentences: The Royal Menagerie was closed in 1835 by the Duke of Wellington, the governer of the tower, when a monkey bit a soldier. So Old Martin, along with the other animals, was moved to the new London Zoo in Regent's Park.