St Peter's Church
... that the first post-Reformation Catholic Church in Aberdeen, St Peter's Church, closed in 1860 when the cathedral was built, but was re-opened 20 years later?
... that the first post-Reformation Catholic Church in <a href="./Aberdeen" id="mwBwg" rel="mw:WikiLink" title="Aberdeen">Aberdeen</a>, <b id="mwBwk"><a href="./St_Peter's_Church,_Aberdeen" id="mwBwo" rel="mw:WikiLink" title="St Peter's Church, Aberdeen">St Peter's Church</a></b>, closed in 1860 when <a href="./St_Mary's_Cathedral,_Aberdeen" id="mwBws" rel="mw:WikiLink" title="St Mary's Cathedral, Aberdeen">the cathedral</a> was built, but was re-opened 20 years later?