During the period that Los Angeles was part of Mexico (1821-1840), blacks were fairly integrated into society at all levels. Mexico abolished slavery much earlier than the US, in 1820. In 1831, Emanuel Victoria served as California's first black governor. Alta, California's last governor, Pío de Jesus Pico, was also of mixed black ancestry. The US won the Mexican-American War and in 1850 California was admitted to the United States. Although one of America's so-called "free states," discriminatory legislation was quickly enacted to restrict and remove the civil rights of blacks, Chinese, and Native Americans. For example, blacks (and other minorities) couldn't testify in court against white people. Pío de Jesus Pico is one of California’s most remarkable historical figures. He witnessed, shaped and influenced nearly a century of California history in the 1800’s. Pío Pico was the governor of California in 1832 and again in 1846 before and during the ...