<a class="mw-redirect" href="https://en.wikipedia.org/wiki/California_Gold_Rush" id="mwnQ" rel="mw:WikiLink" title="California Gold Rush">California Gold Rush</a>: In a message to the <a href="https://en.wikipedia.org/wiki/United_States_Congress" id="mwng" rel="mw:WikiLink" title="United States Congress">United States Congress</a>, U.S. President <a href="https://en.wikipedia.org/wiki/James_K._Polk" id="mwnw" rel="mw:WikiLink" title="James K. Polk">James K. Polk</a> confirms that large amounts of gold had been discovered in <a href="https://en.wikipedia.org/wiki/California" id="mwoA" rel="mw:WikiLink" title="California">California</a>.