<a href="https://en.wikipedia.org/wiki/American_Civil_War" id="mwSw" rel="mw:WikiLink" title="American Civil War">American Civil War</a>: <a href="https://en.wikipedia.org/wiki/Henry_Halleck" id="mwTA" rel="mw:WikiLink" title="Henry Halleck">Henry Halleck</a> becomes <a href="https://en.wikipedia.org/wiki/Commanding_General_of_the_United_States_Army" id="mwTQ" rel="mw:WikiLink" title="Commanding General of the United States Army">general-in-chief</a> of the <a href="https://en.wikipedia.org/wiki/Union_Army" id="mwTg" rel="mw:WikiLink" title="Union Army">Union Army</a>.