The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Pazzi_family" id="mwGA" rel="mw:WikiLink" title="Pazzi family">Pazzi family</a> <a href="https://en.wikipedia.org/wiki/Pazzi_conspiracy" id="mwGQ" rel="mw:WikiLink" title="Pazzi conspiracy">attack</a> on <a href="https://en.wikipedia.org/wiki/Lorenzo_de'_Medici" id="mwGg" rel="mw:WikiLink" title="Lorenzo de' Medici">Lorenzo de' Medici</a> in order to displace the ruling <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Medici_family" id="mwGw" rel="mw:WikiLink" title="Medici family">Medici family</a> kills his brother <a href="https://en.wikipedia.org/wiki/Giuliano_de'_Medici" id="mwHA" rel="mw:WikiLink" title="Giuliano de' Medici">Giuliano</a> during <a href="https://en.wikipedia.org/wiki/Solemn_Mass" id="mwHQ" rel="mw:WikiLink" title="Solemn Mass">High Mass</a> in <a href="https://en.wikipedia.org/wiki/Florence_Cathedral" id="mwHg" rel="mw:WikiLink" title="Florence Cathedral">Florence Cathedral</a>.<sup about="#mwt20" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-2"}}' id="cite_ref-2" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_26#cite_note-2" id="mwHw" style="counter-reset: mw-Ref 2;"><span class="mw-reflink-text" id="mwIA">[2]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-2"><cite about="#mwt17" class="citation book cs1" id="CITEREFMarica_Tacconi2005">Marica Tacconi (8 December 2005). <a class="external text" href="https://books.google.com/books?id=cXpY-Gw0sW4C&amp;pg=PA235" id="mwBhY" rel="mw:ExtLink nofollow"><i id="mwBhc">Cathedral and Civic Ritual in Late Medieval and Renaissance Florence: The Service Books of Santa Maria Del Fiore</i></a>. Cambridge University Press. p.<span id="mwBhg" typeof="mw:Entity"> </span>235. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBhk" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBho" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-521-81704-2" id="mwBhs" rel="mw:WikiLink" title="Special:BookSources/978-0-521-81704-2"><bdi id="mwBhw">978-0-521-81704-2</bdi></a>.</cite><span about="#mwt17" class="Z3988" id="mwBh0" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Cathedral+and+Civic+Ritual+in+Late+Medieval+and+Renaissance+Florence%3A+The+Service+Books+of+Santa+Maria+Del+Fiore&amp;rft.pages=235&amp;rft.pub=Cambridge+University+Press&amp;rft.date=2005-12-08&amp;rft.isbn=978-0-521-81704-2&amp;rft.au=Marica+Tacconi&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DcXpY-Gw0sW4C%26pg%3DPA235&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+26"></span></span>