Last year, on april 10 April, 96 most important person in the state including President Lech Kaczynski and his wife, were killed in a plane crash near Smolensk in Russia. On the first anniversary of the tragedy at the Presidential Palace thousands of people gathered, not in order to express his grief and sorrow, but because it would energize their dissatisfaction with the current government, Moscow, and causes of tragedy. The main demonstration was initiated by Jaroslaw Kaczynski (the brother of killed president), leader of PiS ( right fraction )