Marian Anderson
... that African-American contralto Marian Anderson was denied permission by the Daughters of the American Revolution to sing at Constitution Hall in 1939, prompting thousands of its members to resign?
... that African-American contralto <b id="mwBSs"><a href="./Marian_Anderson" id="mwBSw" rel="mw:WikiLink" title="Marian Anderson">Marian Anderson</a></b> <i id="mwBS0">(pictured)</i> was denied permission by the <a href="./Daughters_of_the_American_Revolution" id="mwBS4" rel="mw:WikiLink" title="Daughters of the American Revolution">Daughters of the American Revolution</a> to sing at <a href="./DAR_Constitution_Hall" id="mwBS8" rel="mw:WikiLink" title="DAR Constitution Hall">Constitution Hall</a> in 1939, prompting thousands of its members to resign?