May 21 -- Union Communications Services, Inc.
Italian activists and anarchists Nicola Sacco and Bartolomeo Vanzetti, widely believed to have been framed for murder, go on trial today. They eventually are executed as part of a government campaign against dissidents - 1921
The “Little Wagner Act” is signed in Hawaii, guaranteeing pineapple and sugar workers the right to bargain collectively. After negotiations failed, a successful 79-day strike shut down 33 of the territory’s 34 plantations and brought higher wages and a 40-hour week - 1945
Nearly 100,000 unionized SBC Communications Inc. workers begin a 4-day strike to protest the local phone giant’s latest contract offer - 2004