1999 Sydney hailstorm
...that the 1999 Sydney hailstorm is the costliest natural disaster in Australian history, causing over A$1.7 billion in insured damages?
...that the <b id="mwAik"><a href="./1999_Sydney_hailstorm" id="mwAio" rel="mw:WikiLink" title="1999 Sydney hailstorm">1999 Sydney hailstorm</a></b> is the costliest <a href="./Natural_disaster" id="mwAis" rel="mw:WikiLink" title="Natural disaster">natural disaster</a> in <a href="./Australia" id="mwAiw" rel="mw:WikiLink" title="Australia">Australian</a> history, causing over <a href="./Australian_dollar" id="mwAi0" rel="mw:WikiLink" title="Australian dollar">A$</a>1.7 billion in insured damages?