National Federation of Federal Employees
...that in 1918, the National Federation of Federal Employees became the first labor union in the United States to win the legal right to represent federal employees?
...that in 1918, the <b id="mwERg"><a href="./National_Federation_of_Federal_Employees" id="mwERk" rel="mw:WikiLink" title="National Federation of Federal Employees">National Federation of Federal Employees</a></b> became the first <a href="./Trade_union" id="mwERo" rel="mw:WikiLink" title="Trade union">labor union</a> in the United States to win the legal right to <a href="./Collective_bargaining" id="mwERs" rel="mw:WikiLink" title="Collective bargaining">represent</a> <a href="./Federal_government_of_the_United_States" id="mwERw" rel="mw:WikiLink" title="Federal government of the United States">federal</a> employees?