He also supported the construction of the museum of Polish Jews in Warsaw by donating city land to the project.Kaczyński banned the Warsaw gay pride parade twice in 2004 and again in 2005, locally known as the Parada Równości (the Equality Parade), stating that the application of the parade organizers had not been properly filed, Additionally, he feared the parade would promote a "homosexual lifestyle" and complained that police did not use enough force in breaking it up by stating “Why was force not used to break up an illegal demonstration? In 2004 his opponents called his actions unconstitutional and he was repeatedly criticized by the Mazowieckie Voivodeship administration, which officially supervises the Mayor of Warsaw.Lech Kaczyński was the president of the party between 20. In 2002, Kaczyński was elected mayor of Warsaw in a landslide victory.
In August 1980, he became an adviser to the Inter-Enterprise Strike Committee in the Gdańsk Shipyard and the Solidarity movement.Elected President of the Republic of Poland (he defeated the runner-up Donald Tusk by polling 8,257,468 votes, constituting 54.04 percent of the vote), Kaczyński assumed office on 23 December 2005, taking an oath before the National Assembly.In his first public speech as president-elect, Kaczyński said that his presidency would pursue the task of ameliorating the Republic, a process which he said would consist of "purging various pathologies from our life, most prominently crime (...), particularly criminal corruption – that entire, great rush to obtain unjust enrichment, a rush that is poisoning society, [and preventing the state from ensuring] elementary social security, health security, basic conditions for the development of the family [and] the security of commerce and the basic conditions for economic development.Wałęsa nominated Kaczyński to be the Security Minister in the Presidential Chancellery but fired him in 1992 due to a conflict concerning Jan Olszewski's government.Kaczyński was the President of the Supreme Chamber of Control (Najwyższa Izba Kontroli, NIK) from February 1992 to May 1995 and later Minister of Justice and Attorney General in Jerzy Buzek's government from June 2000 until his dismissal in July 2001.
; 18 June 1949 – 10 April 2010) was a Polish lawyer and politician who served as the Mayor of Warsaw from 2002 until 2005 and as the President of Poland from 2005 until his death in 2010.