Great Britain declares war on <a href="https://en.wikipedia.org/wiki/Spain" id="mwOA" rel="mw:WikiLink" title="Spain">Spain</a>, which meant the entry of Spain into the <a href="https://en.wikipedia.org/wiki/Seven_Years'_War" id="mwOQ" rel="mw:WikiLink" title="Seven Years' War">Seven Years' War</a>.<sup about="#mwt40" 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="./January_4#cite_note-6" id="mwOg" style="counter-reset: mw-Ref 6;"><span class="mw-reflink-text" id="mwOw">[6]</span></a></sup>
<span class="mw-reference-text reference-text" id="mw-reference-text-cite_note-6"><cite about="#mwt37" class="citation book cs1" id="CITEREFJunius_P._Rodriguez2002">Junius P. Rodriguez (2002). <a class="external text" href="https://books.google.com/books?id=Qs7GAwwdzyQC&amp;pg=PA118" id="mwB_c" rel="mw:ExtLink nofollow"><i id="mwB_g">The Louisiana Purchase: A Historical and Geographical Encyclopedia</i></a>. ABC-CLIO. p.<span id="mwB_k" typeof="mw:Entity"> </span>118. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB_o" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB_s" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-1-57607-188-5" id="mwB_w" rel="mw:WikiLink" title="Special:BookSources/978-1-57607-188-5"><bdi id="mwB_0">978-1-57607-188-5</bdi></a>.</cite><span about="#mwt37" class="Z3988" id="mwB_4" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Louisiana+Purchase%3A+A+Historical+and+Geographical+Encyclopedia&amp;rft.pages=118&amp;rft.pub=ABC-CLIO&amp;rft.date=2002&amp;rft.isbn=978-1-57607-188-5&amp;rft.au=Junius+P.+Rodriguez&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DQs7GAwwdzyQC%26pg%3DPA118&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+4"></span></span>