Teachers strike in St. Paul, Minn., the first organized walkout by teachers in the country. The month-long “strike for better schools” involving some 1,100 teachers—and principals—led to a number of reforms in the way schools were administered and operated - 1946

Hollywood’s "Battle of the Mirrors." Picketing members of the Conference of Studio Unions disrupted an outdoor shoot by holding up large reflectors that filled camera lenses with blinding sunlight. Members of the competing IATSE union retaliated by using the reflectors to shoot sunlight back across the street. The battle went on all day, writes Tom Sito in "Drawing the Line" - 1946

General strike begins across U.S. maritime industry, stopping all shipping. The strikers were objecting to the government's post-war National Wage Stabilization Board order that reduced pay increases negotiated by maritime unions - 1946