Workers at the Gdansk shipyard go on strike to support the Solidarity trade union. Lech Walesa emerges as the leader of Solidarity
The Communist government imposed martial law and imprisoned Solidarity leaders, including Walesa
Partially free elections are a success for Solidarity (Solidarity members are elected), and a coalition government in formed.
Market reforms are launched
The newly reformed Communists pledge to continue market reforms.
Aleksander Kwasniewski is a former Communist
General election won by Solidarity, Jerzy Buzek forms a coalition government