140th anniversary of its signing
... that the Emancipation Proclamation was ceremoniously read on the 140th anniversary of its signing under the oak tree where Mary Smith Peake taught children of former slaves in 1861?
... that the <a href="./Emancipation_Proclamation" id="mwEP4" rel="mw:WikiLink" title="Emancipation Proclamation">Emancipation Proclamation</a> was ceremoniously read on the <b id="mwEP8"><a class="mw-redirect" href="./140th_Year_Anniversary_Celebration_of_the_Emancipation_Proclamation" id="mwEQA" rel="mw:WikiLink" title="140th Year Anniversary Celebration of the Emancipation Proclamation">140th anniversary of its signing</a></b> under the <a href="./Emancipation_Oak" id="mwEQE" rel="mw:WikiLink" title="Emancipation Oak">oak tree</a> where <a class="mw-redirect" href="./Mary_Smith_Peake" id="mwEQI" rel="mw:WikiLink" title="Mary Smith Peake">Mary Smith Peake</a> taught children of former slaves in 1861?