Biography
Solidarity
He was a member of the illegal strike committee in Gdańsk Shipyard in 1970. After the bloody end of the strike, resulting in over 80 workers killed by the riot police, Wałęsa was arrested and convicted of "anti-social behavior" and spent one year in prison.
Presidency and afterwards
On December 9, 1990, Wałęsa won the presidential election to become president of Poland for the next five years. During his presidency, he started a so-called "war at the top" which practically meant changing the government annually. His style of presidency was strongly criticized by most of the political parties, and he lost most of the initial public support by the end of 1995.