<a href="https://en.wikipedia.org/wiki/Spanish–American_War" id="mwgg" rel="mw:WikiLink" title="Spanish–American War">Spanish–American War</a>: The United States Navy begins a blockade of <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Spanish_Cuba" id="mwgw" rel="mw:WikiLink" title="Spanish Cuba">Cuban</a> ports. When the <a href="https://en.wikipedia.org/wiki/United_States_Congress" id="mwhA" rel="mw:WikiLink" title="United States Congress">U.S. Congress</a> issued a <a href="https://en.wikipedia.org/wiki/Declaration_of_war" id="mwhQ" rel="mw:WikiLink" title="Declaration of war">declaration of war</a> on April 25, it declared that a state of war had existed from this date.