<a href="https://en.wikipedia.org/wiki/Spanish–American_War" id="mwjQ" rel="mw:WikiLink" title="Spanish–American War">Spanish–American War</a>: The United States Congress <a class="mw-redirect" href="https://en.wikipedia.org/wiki/United_States_declaration_of_war_upon_Spain" id="mwjg" rel="mw:WikiLink" title="United States declaration of war upon Spain">declares that a state of war between the U.S. and Spain</a> has existed since April 21, when an American naval <a href="https://en.wikipedia.org/wiki/Blockade" id="mwjw" rel="mw:WikiLink" title="Blockade">blockade</a> of the Spanish colony of <a href="https://en.wikipedia.org/wiki/Cuba" id="mwkA" rel="mw:WikiLink" title="Cuba">Cuba</a> began.<sup about="#mwt23" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-2"}}' id="cite_ref-2" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_25#cite_note-2" id="mwkQ" style="counter-reset: mw-Ref 2;"><span class="mw-reflink-text" id="mwkg">[2]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-2"><cite about="#mwt20" class="citation book cs1" id="CITEREFTrask1996">Trask, David F. (1996). <a class="external text" href="https://books.google.com/books?id=2f0Gf0DQfmUC" id="mwBqo" rel="mw:ExtLink nofollow"><i id="mwBqs">The War With Spain in 1898</i></a>. Lincoln, Neb.: University of Nebraska Press. p.<span id="mwBqw" typeof="mw:Entity"> </span>57. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBq0" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBq4" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780803294295" id="mwBq8" rel="mw:WikiLink" title="Special:BookSources/9780803294295"><bdi id="mwBrA">9780803294295</bdi></a>.</cite><span about="#mwt20" class="Z3988" id="mwBrE" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+War+With+Spain+in+1898&amp;rft.place=Lincoln%2C+Neb.&amp;rft.pages=57&amp;rft.pub=University+of+Nebraska+Press&amp;rft.date=1996&amp;rft.isbn=9780803294295&amp;rft.aulast=Trask&amp;rft.aufirst=David+F.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D2f0Gf0DQfmUC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+25"></span></span>