December 21

December 21
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
 
Supreme Court rules that picketing is unconstitutional. Chief Justice (and former president) William Howard Taft declared that picketing was, in part, "an unlawful annoyance and hurtful nuisance..." - 1921