The Supreme Court rules against the closed shop, a labor-management agreement that only union members can be hired and must remain members to continue on the job - 1949

International Human Rights Day, commemorating the signing at the United Nations of the Universal Declaration of Human Rights, which states, in part: “Everyone has the right to form and join trade unions for the protection of his interests” - 1948

Nearly 1,500 plantation workers strike Olaa Sugar, on Hawaii’s Big Island - 1948