Mendocino War
... that between the first white settlement in 1856 and the end of the Mendocino War in 1860, the Native American population in Mendocino County, California, decreased by 80%?
... that between the first white settlement in 1856 and the end of the <b id="mwCBc"><a href="./Mendocino_War" id="mwCBg" rel="mw:WikiLink" title="Mendocino War">Mendocino War</a></b> in 1860, the <a href="./Native_Americans_in_the_United_States" id="mwCBk" rel="mw:WikiLink" title="Native Americans in the United States">Native American</a> population in <a href="./Mendocino_County,_California" id="mwCBo" rel="mw:WikiLink" title="Mendocino County, California">Mendocino County, California</a>, decreased by 80%?