natural history of Australia
...that the natural history of Australia began over 2,500 million years ago when some of the world's oldest rocks formed the Yilgarn craton? 
...that the <b id="mwA9g"><a href="./Natural_history_of_Australia" id="mwA9k" rel="mw:WikiLink" title="Natural history of Australia">natural history of Australia</a></b> began over 2,500 million years ago when some of the world's oldest rocks formed the <a class="mw-redirect" href="./Yilgarn_craton" id="mwA9o" rel="mw:WikiLink" title="Yilgarn craton">Yilgarn craton</a>? <i id="mwA9s">(pictured)</i>