Nikolauskirche
... that on Christmas Eve in 1818, the Christmas carol "Stille Nacht" ("Silent Night") was first performed in the Nikolauskirche in Oberndorf, Austria?
... that on Christmas Eve in 1818, the Christmas carol "Stille Nacht" ("<a href="./Silent_Night" id="mwASg" rel="mw:WikiLink" title="Silent Night">Silent Night</a>") was first performed in the <b id="mwASk"><a href="./Nikolauskirche,_Oberndorf" id="mwASo" rel="mw:WikiLink" title="Nikolauskirche, Oberndorf">Nikolauskirche</a></b> in <a href="./Oberndorf_bei_Salzburg" id="mwASs" rel="mw:WikiLink" title="Oberndorf bei Salzburg">Oberndorf</a>, Austria?