African Americans have been part of the Vallejo mosaic since 1850, the year of the North Bay city's birth. John Grider, a Tennessee native and former slave who arrived in Vallejo in 1850, was one of the city's earliest residents and a veteran of the California Bear Flag Revolt of 1846. While many 19th-century black pioneers established homes, businesses, and schools, it was during the Great Migration period of 1910-1970s that the bulk of Vallejo's...