Pope Leo XIII issues revolutionary encyclical 'Rerum novarum' in defense of workers and the right to organize. Forty years later to the day, Pope Pius XI issues 'Quadragesimo anno,’ believed by many to be even more radical than Leo XIII’s - 1891
The Library Employees’ Union is founded in New York City, the first union of public library workers in the United States. A major focus of the union was the inferior status of women library workers and their low salaries - 1917
The first labor bank opens in Washington, D.C., launched by officers of the Machinists. The Locomotive Engineers opened a bank in Cleveland later that year - 1920
Labor history courtesy Union Communication Services.