The <a href="https://en.wikipedia.org/wiki/Thomas_Fire" id="mwAbw" rel="mw:WikiLink" title="Thomas Fire">Thomas Fire</a> starts near <a href="https://en.wikipedia.org/wiki/Santa_Paula,_California" id="mwAb0" rel="mw:WikiLink" title="Santa Paula, California">Santa Paula</a> in <a href="https://en.wikipedia.org/wiki/California" id="mwAb4" rel="mw:WikiLink" title="California">California</a>. It eventually became the largest <a href="https://en.wikipedia.org/wiki/List_of_California_wildfires" id="mwAb8" rel="mw:WikiLink" title="List of California wildfires">wildfire in modern California history</a> to date after burning <span about="#mwt118" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"440"},"2":{"wt":"sqmi"},"3":{"wt":"km2"},"4":{"wt":"0"}},"i":0}}]}' id="mwAcA" typeof="mw:Transclusion">440 square miles (1,140</span><span about="#mwt118" typeof="mw:Entity"> </span><span about="#mwt118">km</span><sup about="#mwt118">2</sup><span about="#mwt118">)</span> in <a href="https://en.wikipedia.org/wiki/Ventura_County,_California" id="mwAcE" rel="mw:WikiLink" title="Ventura County, California">Ventura</a> and <a href="https://en.wikipedia.org/wiki/Santa_Barbara_County,_California" id="mwAcI" rel="mw:WikiLink" title="Santa Barbara County, California">Santa Barbara</a> Counties.