In a speech to Congress, President James K. Polk announces the substantial gold discovery in California. Within the next 12 months thousands moved to California in search of endless fortune; San Francisco quickly became one of the largest cities in the United States, and railroad companies began planning routes to link the Atlantic and Pacific coasts.
For over 75 years, American Heritage has chronicled our nation's history like no other publication. Please support our trusted, non-partisan historical writing and the volunteers that sustain it by donating today. We rely on contributions from readers like you to survive. Donate