Wiebbe Hayes
... that the remnants of defensive walls and stone shelters built by shipwreck survivor Wiebbe Hayes and his men on West Wallabi Island in 1629, are Australia's oldest known European structures?
... that the remnants of <a href="./Defensive_wall" id="mwAes" rel="mw:WikiLink" title="Defensive wall">defensive walls</a> and stone shelters built by <a href="./Shipwreck" id="mwAew" rel="mw:WikiLink" title="Shipwreck">shipwreck</a> survivor <b id="mwAe0"><a href="./Wiebbe_Hayes" id="mwAe4" rel="mw:WikiLink" title="Wiebbe Hayes">Wiebbe Hayes</a></b> and his men on <a href="./Wallabi_Group" id="mwAe8" rel="mw:WikiLink" title="Wallabi Group">West Wallabi Island</a> in 1629, are <a href="./Australia" id="mwAfA" rel="mw:WikiLink" title="Australia">Australia</a>'s oldest known <a href="./Europe" id="mwAfE" rel="mw:WikiLink" title="Europe">European</a> structures?