Twenty-three states already have "right-to-work" laws on the books. Is yours one of them?
Michigan lawmakers passed two controversial "right-to-work" bills Tuesday aimed at organized labor, sending them to the governor for his signature. Here are the 23 other states that already have such laws on the books, and when they were adopted.
Enrique Castro-Mendivil / Reuters
St. Louis nearly burns to the ground, the first Kentucky Derby is held, the Supreme Court strikes down segregated schools, the Senate Watergate Committee begins televised hearings, and same-sex marriages begin in Massachusetts, all on this day.