Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Macquarie Island' has mentioned 'UNESCO World Heritage Site' in the following places:
Occurrence Sentence Text Source
[1] Regionally part of Oceania and politically a part of Tasmania, Australia, since 1900, it became a Tasmanian State Reserve in 1978 and was inscribed as a UNESCO World Heritage Site in 1997.
Due to these unique geological exposures it was made a UNESCO world heritage site in 1997.