Piccadilly line
... that 200,000 children were evacuated via the Piccadilly line during World War II?
... that 200,000<span id="mwAs4" typeof="mw:Entity"> </span>children were evacuated via the <b id="mwAs8"><a href="./Piccadilly_line" id="mwAtA" rel="mw:WikiLink" title="Piccadilly line">Piccadilly line</a></b> during World War<span id="mwAtE" typeof="mw:Entity"> </span>II?<!--Special occasion hook for December 15-->