2. When Solidarity was legalized again in the late 1980s, Lech Kaczyński was an active adviser of Lech Wałęsa and his Komitet Obywatelski Solidarność in 1988. From February to April, 1989, he participated in Polish Round Table talks.
3. He was the President of the Republic of Poland from 2005 to 2010, a politician of the party Prawo i Sprawiedliwość (Law and Justice, PiS). Kaczyński served as Mayor of Warsaw from 2002 until 22 December 2005, the day before his presidential inauguration. He was the identical twin brother of the former Prime Minister of Poland and current Chairman of the Law and Justice party, Jarosław Kaczyński.
4. On 10 April 2010 a Tupolev Tu-154 plane carrying President Kaczyński, his wife Maria Kaczyńska and other members of a Polish delegation were travelling from Warsaw to commemorate the Katyn massacre and crashed while approaching Smolensk Air Base in Russia at 08:56 Eastern European Time (06:56 GMT). The plane hit trees in foggy conditions about 1.5 kilometres (0.9 mi) from the airport.