Anna Walentynowicz was a Polish trade unionist and co-founder of Solidarity, the first recognised independent trade union in the Eastern Bloc. Her firing from her job at the Lenin Shipyard in Gdańsk in August 1980 was the event that ignited the strike at the shipyard, set off a wave of strikes across Poland, and quickly paralyzed the Baltic coast. The Interfactory Strike Committee (MKS) based in the Gdańsk shipyard eventually transformed itself into Solidarity; by September, more than one million workers were on strike in support of the 21 demands of MKS, making it the largest strike ever.