The <a href="https://en.wikipedia.org/wiki/Pennsylvania_Abolition_Society" id="mwYA" rel="mw:WikiLink" title="Pennsylvania Abolition Society">Society for the Relief of Free Negroes Unlawfully Held in Bondage</a>, the first <a href="https://en.wikipedia.org/wiki/Abolitionism_in_the_United_States" id="mwYQ" rel="mw:WikiLink" title="Abolitionism in the United States">abolition</a> society in North America, is organized in <a href="https://en.wikipedia.org/wiki/Philadelphia" id="mwYg" rel="mw:WikiLink" title="Philadelphia">Philadelphia</a> by <a href="https://en.wikipedia.org/wiki/Benjamin_Franklin" id="mwYw" rel="mw:WikiLink" title="Benjamin Franklin">Benjamin Franklin</a> and <a href="https://en.wikipedia.org/wiki/Benjamin_Rush" id="mwZA" rel="mw:WikiLink" title="Benjamin Rush">Benjamin Rush</a>.<sup about="#mwt53" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-9"}}' id="cite_ref-9" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_14#cite_note-9" id="mwZQ" style="counter-reset: mw-Ref 9;"><span class="mw-reflink-text" id="mwZg">[9]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-9"><cite about="#mwt50" class="citation book cs1" id="CITEREFSinha2017">Sinha, Manisha (2017). <a class="external text" href="https://books.google.com/books?id=2Bh8CwAAQBAJ" id="mwB9Y" rel="mw:ExtLink nofollow"><i id="mwB9c">The Slave's Cause: A History of Abolition</i></a>. New Haven: Yale University Press. p.<span id="mwB9g" typeof="mw:Entity"> </span>72. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB9k" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB9o" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780300227116" id="mwB9s" rel="mw:WikiLink" title="Special:BookSources/9780300227116"><bdi id="mwB9w">9780300227116</bdi></a>.</cite><span about="#mwt50" class="Z3988" id="mwB90" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Slave%27s+Cause%3A+A+History+of+Abolition&amp;rft.place=New+Haven&amp;rft.pages=72&amp;rft.pub=Yale+University+Press&amp;rft.date=2017&amp;rft.isbn=9780300227116&amp;rft.aulast=Sinha&amp;rft.aufirst=Manisha&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D2Bh8CwAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+14"></span></span>