July 30, 1849- Charles Marsh, a young surveyor from Wisconsin was the first to settle the site of Nevada City. 1849- Settlement developed along the banks of Deer Creek in Nevada City. A group of immigrants settled by the side of Wolf Creek by what would later become Grass Valley. September 1849- First building on Broad St. in Nevada City by John Truesdale.
Mining begins in Grass Valley.
First sermon preached in Grass Valley by Reverend Isaac Owens. December 1849- Express started by Benjamin and Herbert Bower to transport the first great mail that arrived in Sacramento. June 1850- George McKnight discovers Gold Hill Ledge. October 1850- George D. Roberts discovers gold on Ophir Hill, which later became the site of the Empire Mine. November 1850- First election held in Grass Valley.