The <a href="https://en.wikipedia.org/wiki/Carrington_Event" id="mwYw" rel="mw:WikiLink" title="Carrington Event">Carrington Event</a> is the strongest geomagnetic storm on record.<sup about="#mwt37" 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="./September_2#cite_note-6" id="mwZA" style="counter-reset: mw-Ref 6;"><span class="mw-reflink-text" id="mwZQ">[6]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-6"><cite about="#mwt34" class="citation journal cs1" id="CITEREFGreenBoardsenOdenwaldHumble2006">Green, James L.; Boardsen, Scott; Odenwald, Sten; Humble, John; Pazamickas, Katherine A. (January 2006). <a class="external text" href="https://ntrs.nasa.gov/citations/20050210157" id="mwBzo" rel="mw:ExtLink nofollow">"Eyewitness reports of the great auroral storm of 1859"</a>. <i id="mwBzs">Advances in Space Research</i>. <b id="mwBzw">38</b> (2): 145–154. <a class="mw-redirect" href="./Bibcode_(identifier)" id="mwBz0" rel="mw:WikiLink" title="Bibcode (identifier)">Bibcode</a>:<a class="external text" href="https://ui.adsabs.harvard.edu/abs/2006AdSpR..38..145G" id="mwBz4" rel="mw:ExtLink nofollow">2006AdSpR..38..145G</a>. <a class="mw-redirect" href="./Doi_(identifier)" id="mwBz8" rel="mw:WikiLink" title="Doi (identifier)">doi</a>:<a class="external text" href="https://doi.org/10.1016%2Fj.asr.2005.12.021" id="mwB0A" rel="mw:ExtLink nofollow">10.1016/j.asr.2005.12.021</a>. <a class="mw-redirect" href="./Hdl_(identifier)" id="mwB0E" rel="mw:WikiLink" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" id="mwB0I" title="Freely accessible"><a class="external text" href="https://hdl.handle.net/2060%2F20050210157" id="mwB0M" rel="mw:ExtLink nofollow">2060/20050210157</a></span><span class="reference-accessdate" id="mwB0Q">. Retrieved <span class="nowrap" id="mwB0U">28 August</span> 2020</span>.</cite><span about="#mwt34" class="Z3988" id="mwB0Y" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Advances+in+Space+Research&amp;rft.atitle=Eyewitness+reports+of+the+great+auroral+storm+of+1859&amp;rft.volume=38&amp;rft.issue=2&amp;rft.pages=145-154&amp;rft.date=2006-01&amp;rft_id=info%3Ahdl%2F2060%2F20050210157&amp;rft_id=info%3Adoi%2F10.1016%2Fj.asr.2005.12.021&amp;rft_id=info%3Abibcode%2F2006AdSpR..38..145G&amp;rft.aulast=Green&amp;rft.aufirst=James+L.&amp;rft.au=Boardsen%2C+Scott&amp;rft.au=Odenwald%2C+Sten&amp;rft.au=Humble%2C+John&amp;rft.au=Pazamickas%2C+Katherine+A.&amp;rft_id=https%3A%2F%2Fntrs.nasa.gov%2Fcitations%2F20050210157&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASeptember+2"></span></span>