After the government crackdown on worker protests in 1976, Polish intellectuals and activists created KOR to provide legal and material help to persecuted workers and their families. KOR helped build networks of opposition support and underground publishing. These links later helped workers and intellectuals cooperate during the Solidarity movement.
Shipyard crane operator and activist Anna Walentynowicz was dismissed from the Lenin Shipyard in Gdańsk. Her firing became a clear symbol of retaliation against independent labor organizing. It triggered anger among co-workers and set the stage for a strike that quickly spread beyond one workplace.
Workers at the Lenin Shipyard launched a strike demanding Walentynowicz’s reinstatement and broader rights. As other workplaces joined in solidarity, the strike became a national test of whether workers could organize outside the Communist Party’s control. This escalation pushed the government toward negotiation instead of immediate force.
Government representatives signed the Gdańsk Agreement with striking workers, accepting key demands that included the right to form independent trade unions. This was unprecedented in the Soviet-aligned Eastern Bloc. The agreement opened the legal door for Solidarity to emerge as a nationwide organization.
Representatives from more than twenty inter-factory founding committees merged their efforts into one national organization: NSZZ “Solidarność” (Solidarity). This step turned scattered workplace committees into a coordinated national union. It helped Solidarity grow into a mass movement with the capacity to negotiate and organize across Poland.
A Polish court formally registered Solidarity as a legal trade union. Legal recognition made it harder to treat the union as a purely illegal opposition group. It also encouraged rapid membership growth and stronger public organizing, which increased pressure on the Communist government.
After Solidarity activists were beaten during the Bydgoszcz events, Solidarity organized a four-hour national warning strike. The scale of participation showed the union’s reach and helped force renewed talks with the authorities. It also revealed how easily labor conflict could become a broader political crisis.
Solidarity held its first national delegates’ convention, one of the first open, large-scale independent union congresses in the Eastern Bloc. Delegates discussed strategy, internal democracy, and the union’s wider social role. The congress underlined that Solidarity had become more than a workplace organization—it was a national civic movement.
General Wojciech Jaruzelski’s government imposed martial law, restricting travel and assembly and detaining thousands of opposition activists. Solidarity was effectively crushed as an open organization and forced underground. The crackdown marked a turning point from negotiation to repression.
During martial law, security forces and the army broke a pro-Solidarity strike at the Wujek Coal Mine in Katowice. Nine miners were killed, making the event a lasting symbol of the regime’s willingness to use force against workers. The deaths deepened public resentment and became a powerful memory within the movement.
Polish authorities ended martial law after roughly nineteen months, but many restrictions and surveillance practices continued. Solidarity remained banned, pushing organizing into clandestine networks and church-linked spaces. The period left a damaged economy and a society still in conflict with the government.
Jerzy Popiełuszko, a priest associated with Solidarity and known for sermons about rights and nonviolence, was abducted and murdered by security officers. The killing provoked widespread outrage and became a major political scandal for the regime. It also strengthened the link between labor opposition and broader human-rights demands.
A new wave of strikes spread across Poland, including demands to re-legalize Solidarity and end repression. The unrest showed that underground organizing and public discontent had not disappeared. The government increasingly treated negotiations as the only workable path to stability.
Government representatives and Solidarity-linked opposition leaders began formal Round Table discussions on political and economic reforms. The talks addressed union pluralism (the right to have more than one union) and a new election framework. This created a negotiated roadmap for Solidarity’s return to legal public life.
A Polish court registered Solidarity again, reversing the ban imposed during martial law. Re-legalization allowed Solidarity to operate openly and prepare for elections. It was a clear sign that the Communist state was losing its monopoly over worker representation.
In elections with partially free competition, Solidarity-backed candidates won nearly all available seats, including 99 of 100 in the Senate and all contested seats in the Sejm. The results shocked the ruling party and showed that the public supported major change. The vote made a non-communist-led government politically possible.
After Solidarity’s election victory and coalition maneuvering, Tadeusz Mazowiecki was approved by parliament as prime minister. His government marked the first non-communist-led administration in Poland in the postwar era. This outcome closed Solidarity’s 1980–1989 arc: from an independent union demand to a negotiated political transition.
Solidarity (Solidarność) — Poland's independent trade union movement (1980–1989)