On 10 April 2010 , numerous high-ranking Polish statesmen died in the Smolensk air crash , including : Lech Kaczyński , the President of Poland at the time . At the 2010 Polish presidential election , Donald Tusk decided not to stand . At PO primary elections , Bronisław Komorowski defeated the Oxford-educated Foreign Minister Radosław Sikorski , at the second round of voting on 4 July 2010 , he defeated PiS 's Jarosław Kaczyński . and on 6 August 2010 he was sworn in as President . At the November 2010 local elections , PO won 31 percent of the votes and PiS 23 percent , an increase for the former and a drop for the latter compared to the 2006 elections
Smolensk air crash
2010 Polish Air Force Tu-154 crash
History of Poland (1989–present)