<a href="https://en.wikipedia.org/wiki/H-dagurinn" id="mwAR8" rel="mw:WikiLink" title="H-dagurinn">H-dagurinn</a> in Iceland: Traffic changes from driving on the left to driving on the right overnight.<sup about="#mwt91" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-16"}}' id="cite_ref-16" rel="dc:references" typeof="mw:Extension/ref"><a href="./May_26#cite_note-16" id="mwASA" style="counter-reset: mw-Ref 16;"><span class="mw-reflink-text" id="mwASE">[16]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-16"><cite about="#mwt88" class="citation web cs1" id="CITEREFHáskólabókasafn">Háskólabókasafn, Landsbókasafn Íslands -. <a class="external text" href="http://www.timarit.is/view_page_init.jsp?pageId=1394083" id="mwBxw" rel="mw:ExtLink nofollow">"Timarit.is"</a>. <i id="mwBx0">timarit.is</i>.</cite><span about="#mwt88" class="Z3988" id="mwBx4" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=timarit.is&amp;rft.atitle=Timarit.is&amp;rft.aulast=H%C3%A1sk%C3%B3lab%C3%B3kasafn&amp;rft.aufirst=Landsb%C3%B3kasafn+%C3%8Dslands+-&amp;rft_id=http%3A%2F%2Fwww.timarit.is%2Fview_page_init.jsp%3FpageId%3D1394083&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+26"></span></span>