April 21

New York Gov. Nelson Rockefeller signs Taylor Law, permitting union organization and bargaining by public employees, but outlawing the right to strike - 1967
 
Some 12,500 Goodyear Tire workers strike nine plants in what was to become a 3-week walkout over job security, wage and benefit issues - 1997

Mary Doyle Keefe, who in 1943 posed as “Rosie the Riveter” for famed painter Norman Rockwell, dies at age 92 in Simsbury, Connecticut. Published on the cover of the Saturday Evening Postin May 1943, Rosie came to symbolize women factory workers during World War II. (The Rockwell painting is sometimes conjoined in peoples’ memories with a similarly-themed poster by Pittsburgh artist J. Howard Miller, “We Can Do It!” created the year before.) - 2015