Powered by children seven to 12 years old working dawn to dusk, Samuel Slater?s thread-spinning factory goes into production in Pawtucket, R.I., launching the Industrial Revolution in America. By 1830, 55 percent of the mill workers in the state were youngsters, many working for less than $1 per week - 1790
African-American delegates meet in Washington, D.C., to form the Colored National Labor Union as a branch of the all-White National Labor Union created three years earlier. Unlike the NLU, the CNLU welcomed members of all races. Isaac Myers was the CNLU's founding president; Frederick Douglass became president in 1872 - 1869
Unionists John T. and James B. McNamara are sentenced to 15 years and life, respectively, after confessing to dynamiting the Los Angeles Times building during a drive to unionize the metal trades in the city. They placed the bomb in an alley next to the building, set to detonate when they thought the building would be empty; it went off early, and an unanticipated gas explosion and fire did the real damage, killing twenty people. The newspaper was strongly conservative and anti-union - 1911
President Roosevelt announces the end of the Works Progress Administration (WPA), concluding the four-year run of one of the American government's most ambitious public works programs. It helped create jobs for roughly 8.5 million people during the Great Depression and left a legacy of highways and public buildings, among other public gains - 1943