Opal Lee
... that Opal Lee is often referred to as the "grandmother of Juneteenth"?
... that <b id="mwCIE"><a href="./Opal_Lee" id="mwCII" rel="mw:WikiLink" title="Opal Lee">Opal Lee</a></b> is often referred to as the "grandmother of <a href="./Juneteenth" id="mwCIM" rel="mw:WikiLink" title="Juneteenth">Juneteenth</a>"?