<a href="https://en.wikipedia.org/wiki/American_Civil_War" id="mwYw" rel="mw:WikiLink" title="American Civil War">American Civil War</a>: The "<a href="https://en.wikipedia.org/wiki/Trent_Affair" id="mwZA" rel="mw:WikiLink" title="Trent Affair">Trent Affair</a>": The <a about="#mwt19" data-mw='{"parts":[{"template":{"target":{"wt":"USS","href":"./Template:USS"},"params":{"1":{"wt":"San Jacinto"},"2":{"wt":"1850"},"3":{"wt":"6"}},"i":0}}]}' href="https://en.wikipedia.org/wiki/USS_San_Jacinto_(1850)" id="mwZQ" rel="mw:WikiLink" title="USS San Jacinto (1850)" typeof="mw:Transclusion">USS<span typeof="mw:Entity"> </span><i>San Jacinto</i></a> stops the British mail ship <i id="mwZg">Trent</i> and arrests two <a href="https://en.wikipedia.org/wiki/Confederate_States_of_America" id="mwZw" rel="mw:WikiLink" title="Confederate States of America">Confederate</a> envoys, sparking a diplomatic crisis between the UK and US.