The Gold rush era, beginning in 1851, led to an enormous expansion in population, including large numbers of British and Irish settlers, followed by smaller numbers of Germans and other Europeans, and Chinese.
淘金时代，开始于1851年，引发了人口数量的极大增长，包括很大数量的不列颠和爱尔兰移民，还有小数量的德国人和其他欧洲人口以及中国人。