Queen <a href="https://en.wikipedia.org/wiki/Isabella_I_of_Castile" id="mwJg" rel="mw:WikiLink" title="Isabella I of Castile">Isabella of Castile</a> issues the <a href="https://en.wikipedia.org/wiki/Alhambra_Decree" id="mwJw" rel="mw:WikiLink" title="Alhambra Decree">Alhambra Decree</a>, ordering her 150,000 <a href="https://en.wikipedia.org/wiki/Spanish_and_Portuguese_Jews" id="mwKA" rel="mw:WikiLink" title="Spanish and Portuguese Jews">Jewish</a> and <a href="https://en.wikipedia.org/wiki/Moors" id="mwKQ" rel="mw:WikiLink" title="Moors">Muslim</a> subjects to convert to <a href="https://en.wikipedia.org/wiki/Christianity" id="mwKg" rel="mw:WikiLink" title="Christianity">Christianity</a> or face expulsion.