<a href="https://en.wikipedia.org/wiki/Mexican–American_War" id="mwWA" rel="mw:WikiLink" title="Mexican–American War">Mexican–American War</a>: The <a href="https://en.wikipedia.org/wiki/United_States" id="mwWQ" rel="mw:WikiLink" title="United States">United States</a> <a href="https://en.wikipedia.org/wiki/United_States_declaration_of_war_on_Mexico" id="mwWg" rel="mw:WikiLink" title="United States declaration of war on Mexico">declares war</a> on the <a href="https://en.wikipedia.org/wiki/Second_Federal_Republic_of_Mexico" id="mwWw" rel="mw:WikiLink" title="Second Federal Republic of Mexico">Federal Republic of Mexico</a> following a dispute over the American <a href="https://en.wikipedia.org/wiki/Texas_annexation" id="mwXA" rel="mw:WikiLink" title="Texas annexation">annexation</a> of the <a href="https://en.wikipedia.org/wiki/Republic_of_Texas" id="mwXQ" rel="mw:WikiLink" title="Republic of Texas">Republic of Texas</a> and a Mexican military <a href="https://en.wikipedia.org/wiki/Thornton_Affair" id="mwXg" rel="mw:WikiLink" title="Thornton Affair">incursion</a>.<sup about="#mwt50" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-8"}}' id="cite_ref-8" rel="dc:references" typeof="mw:Extension/ref"><a href="./May_13#cite_note-8" id="mwXw" style="counter-reset: mw-Ref 8;"><span class="mw-reflink-text" id="mwYA">[8]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-8"><cite about="#mwt47" class="citation book cs1" id="CITEREFHenderson2008">Henderson, Timothy J. (2008). <a class="external text" href="https://books.google.com/books?id=QRLQRK75BXgC" id="mwBeo" rel="mw:ExtLink nofollow"><i id="mwBes">A Glorious Defeat: Mexico and Its War With the United States</i></a>. New York: Hill and Wang. pp.<span id="mwBew" typeof="mw:Entity"> </span>154–156. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBe0" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBe4" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780809049677" id="mwBe8" rel="mw:WikiLink" title="Special:BookSources/9780809049677"><bdi id="mwBfA">9780809049677</bdi></a>.</cite><span about="#mwt47" class="Z3988" id="mwBfE" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=A+Glorious+Defeat%3A+Mexico+and+Its+War+With+the+United+States&amp;rft.place=New+York&amp;rft.pages=154-156&amp;rft.pub=Hill+and+Wang&amp;rft.date=2008&amp;rft.isbn=9780809049677&amp;rft.aulast=Henderson&amp;rft.aufirst=Timothy+J.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DQRLQRK75BXgC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+13"></span></span>