1356 Basel earthquake
...that 2006 was the 650th anniversary of the 1356 Basel earthquake, the most significant earthquake to have occurred in Central Europe in recorded history?
...that 2006 was the 650th anniversary of the <b id="mwDHw"><a class="mw-redirect" href="./Basel_earthquake" id="mwDH0" rel="mw:WikiLink" title="Basel earthquake">1356 Basel earthquake</a></b>, the most significant earthquake to have occurred in <a href="./Central_Europe" id="mwDH4" rel="mw:WikiLink" title="Central Europe">Central Europe</a> in recorded history?