The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Sikh" id="mwOw" rel="mw:WikiLink" title="Sikh">Sikh</a> religion is formalised as the <a href="https://en.wikipedia.org/wiki/Khalsa" id="mwPA" rel="mw:WikiLink" title="Khalsa">Khalsa</a> <span id="mwPQ" typeof="mw:Entity">–</span> the brotherhood of Warrior-Saints<span about="#mwt37" data-mw='{"parts":[{"template":{"target":{"wt":"snd","href":"./Template:Snd"},"params":{},"i":0}}]}' id="mwPg" typeof="mw:Transclusion mw:Entity"> </span><span about="#mwt37" typeof="mw:Entity">–</span><span about="#mwt37" typeof="mw:Entity"> </span>by <a href="https://en.wikipedia.org/wiki/Guru_Gobind_Singh" id="mwPw" rel="mw:WikiLink" title="Guru Gobind Singh">Guru Gobind Singh</a> in northern India, in accordance with the <a href="https://en.wikipedia.org/wiki/Nanakshahi_calendar" id="mwQA" rel="mw:WikiLink" title="Nanakshahi calendar">Nanakshahi calendar</a>.<sup about="#mwt41" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-6"}}' id="cite_ref-6" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_13#cite_note-6" id="mwQQ" style="counter-reset: mw-Ref 6;"><span class="mw-reflink-text" id="mwQg">[6]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-6"><cite about="#mwt38" class="citation book cs1" id="CITEREFMahmood1996">Mahmood, Cynthia Keppley (1996). <span class="id-lock-limited" id="mwBnQ" title="Free access subject to limited trial, subscription normally required"><a class="external text" href="https://archive.org/details/fightingforfaith00cynt" id="mwBnU" rel="mw:ExtLink nofollow"><i id="mwBnY">Fighting for faith and nation dialogues with Sikh militants</i></a></span>. Philadelphia: University of Pennsylvania Press. pp.<span id="mwBnc" typeof="mw:Entity"> </span>43–45. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBng" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBnk" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0812215922" id="mwBno" rel="mw:WikiLink" title="Special:BookSources/978-0812215922"><bdi id="mwBns">978-0812215922</bdi></a>. <a class="mw-redirect" href="./OCLC_(identifier)" id="mwBnw" rel="mw:WikiLink" title="OCLC (identifier)">OCLC</a><span id="mwBn0" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/oclc/44966032" id="mwBn4" rel="mw:ExtLink nofollow">44966032</a>.</cite><span about="#mwt38" class="Z3988" id="mwBn8" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Fighting+for+faith+and+nation+dialogues+with+Sikh+militants&amp;rft.place=Philadelphia&amp;rft.pages=43-45&amp;rft.pub=University+of+Pennsylvania+Press&amp;rft.date=1996&amp;rft_id=info%3Aoclcnum%2F44966032&amp;rft.isbn=978-0812215922&amp;rft.aulast=Mahmood&amp;rft.aufirst=Cynthia+Keppley&amp;rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Ffightingforfaith00cynt&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+13"></span></span>