The Finnish operator <a href="https://en.wikipedia.org/wiki/Radiolinja" id="mwAhY" rel="mw:WikiLink" title="Radiolinja">Radiolinja</a> is launched as the world's first <a href="https://en.wikipedia.org/wiki/GSM" id="mwAhc" rel="mw:WikiLink" title="GSM">GSM network</a>.<sup about="#mwt125" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-21"}}' id="cite_ref-21" rel="dc:references" typeof="mw:Extension/ref"><a href="./July_1#cite_note-21" id="mwAhg" style="counter-reset: mw-Ref 21;"><span class="mw-reflink-text" id="mwAhk">[21]</span></a></sup><sup about="#mwt129" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-22"}}' id="cite_ref-22" rel="dc:references" typeof="mw:Extension/ref"><a href="./July_1#cite_note-22" id="mwAho" style="counter-reset: mw-Ref 22;"><span class="mw-reflink-text" id="mwAhs">[22]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-21"><cite about="#mwt122" class="citation book cs1" id="CITEREFHuurdeman2003">Huurdeman, Anton A. (2003). <i id="mwCYE">The Worldwide History of Telecommunications</i>. <a href="./Wiley_(publisher)" id="mwCYI" rel="mw:WikiLink" title="Wiley (publisher)">John Wiley &amp; Sons</a>. p.<span id="mwCYM" typeof="mw:Entity"> </span>529.</cite><span about="#mwt122" class="Z3988" id="mwCYQ" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Worldwide+History+of+Telecommunications&amp;rft.pages=529&amp;rft.pub=John+Wiley+%26+Sons&amp;rft.date=2003&amp;rft.aulast=Huurdeman&amp;rft.aufirst=Anton+A.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJuly+1"></span></span>