Some workers from the official unions were frustrated that they were not allowed to march.
Though there was talk of official union, the government never officially acted to annex the territory.
They accuse the official union of doing little to fight for their interests.
The official unions did not take part in preparing the strike.
The official unions were formed by the Government to replace Solidarity in 1983.
The official unions will have to compete directly with Solidarity for members, so they want to land the first blows.
At best, they say, the official union sometimes tries to mediate disputes.
They can't have an official union so they take a chance and share the one thing they can.
But she said she believed the right would be limited to the official unions.
Charging that the official union had done nothing, the workers formed their own group and applied for its approval.