Stone Bridge
... that the Stone Bridge at Regensburg, probably built in 1135–46, was the city's only bridge across the Danube for about 800 years?
... that the <b id="mwCYU"><a href="./Stone_Bridge_(Regensburg)" id="mwCYY" rel="mw:WikiLink" title="Stone Bridge (Regensburg)">Stone Bridge</a></b> at <a href="./Regensburg" id="mwCYc" rel="mw:WikiLink" title="Regensburg">Regensburg</a>, probably built in 1135–46, was the city's only bridge across the Danube for about 800 years?