1949 New York City taxicab strike
The 1949 New York City taxicab strike was a labor strike involving taxicab drivers in New York City. The strike was the result of union organization efforts carried out by a local union of the United Mine Workers who were seeking union recognition and pay increases for taxicab drivers in the city.
Source: Wikipedia — 1949 New York City taxicab strike (CC BY-SA 4.0)