This document provides an overview of California's history and development from the 19th century onwards. It discusses how California nurtured a culture of individualism and creativity. Northern California became a major wheat producer, while Southern California specialized in citrus and other crops due to its climate and infrastructure like refrigerated rail cars. Massive water projects in the late 19th century like aqueducts and reservoirs allowed California to support large cities and a growing population. In the 20th century, California built major infrastructure and also contributed significantly to fields like aviation, atomic research, biotechnology, computing and the internet.