The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/First_Sioux_War" id="mwng" rel="mw:WikiLink" title="First Sioux War">First Sioux War</a> begins when <a href="https://en.wikipedia.org/wiki/United_States_Army" id="mwnw" rel="mw:WikiLink" title="United States Army">United States Army</a> soldiers kill <a href="https://en.wikipedia.org/wiki/Lakota_people" id="mwoA" rel="mw:WikiLink" title="Lakota people">Lakota</a> chief <a href="https://en.wikipedia.org/wiki/Conquering_Bear" id="mwoQ" rel="mw:WikiLink" title="Conquering Bear">Conquering Bear</a> and in return are <a href="https://en.wikipedia.org/wiki/Grattan_massacre" id="mwog" rel="mw:WikiLink" title="Grattan massacre">massacred</a>.