The document provides a history of California from 1533 to 1945. It discusses how California started as a peninsula mistaken for an island, then details its diverse geography and native populations. It also summarizes the major infrastructure projects in the early 20th century that brought water to Los Angeles and San Francisco. During World War II, over 110,000 Japanese people were placed in internment camps, and military bases were established across the state as California's economy and population boomed due to wartime industrial growth.