Simplify the following text for a Grade 8 native English-speaking person.
Original: Captain Charles Napier Sturt ( 28 April 1795 â `` 16 June 1869 ) was an English explorer of Australia , and part of the European Exploration of Australia .
Simplified: Charles Sturt ( 28 April 1795 â '' 16 June 1869 ) was an British Army officer who became an early explorer of Australia .