Cassette Store Day
... that the first Cassette Store Day was observed on 7 September 2013 to celebrate the Compact Cassette music format?
... that the first <b id="mwBqQ"><a href="./Cassette_Store_Day" id="mwBqU" rel="mw:WikiLink" title="Cassette Store Day">Cassette Store Day</a></b> was observed on 7 September 2013 to celebrate the <a class="mw-redirect" href="./Compact_Cassette" id="mwBqY" rel="mw:WikiLink" title="Compact Cassette">Compact Cassette</a> music format?