Free Association of German Trade Unions
The Free Association of German Trade Unions (German: ; abbreviated FVdG; sometimes also translated as Free Association of German Unions or Free Alliance of German Trade Unions) was a trade union federation in Imperial and early Weimar Germany. It was founded in 1897 in Halle under the name Representatives' Centralization of Germany as the national umbrella organization of the localist current of the German labor movement.
Source: Wikipedia — Free Association of German Trade Unions (CC BY-SA 4.0)