Rancho San Francisco
...that the first documented discovery of gold in California was at Rancho San Francisco in 1842, six years before the California Gold Rush?
...that the first documented discovery of <a href="./Gold" id="mwBiM" rel="mw:WikiLink" title="Gold">gold</a> in <a href="./California" id="mwBiQ" rel="mw:WikiLink" title="California">California</a> was at <b id="mwBiU"><a href="./Rancho_San_Francisco" id="mwBiY" rel="mw:WikiLink" title="Rancho San Francisco">Rancho San Francisco</a></b> in 1842, six years before the <a class="mw-redirect" href="./California_Gold_Rush" id="mwBic" rel="mw:WikiLink" title="California Gold Rush">California Gold Rush</a>?