Lech Aleksander Kaczyński (Àdàkọ:IPA-pol; 18 June 1949 – 10 April 2010) ni Aare orile-ede Poland lati 2005 de April 10, 2010 nigba to ku ninu ijamba baalu to sele ni papa oko-ofurufu Smolensk ni Russia. "Polish president killed in plane crash - CNN.com". CNN. 2010-04-10. Retrieved 2010-04-10.  |first1= missing |last1= in Authors list (help) "Polish President Lech Kaczynski dies in plane crash". BBC News (BBC). http://news.bbc.co.uk/1/hi/in_depth/8612825.stm. Retrieved 10 April 2010.  "Polish President Lech Kaczynski Killed When Plane Crashed On Approach To Smolensk Airport In Russia". Retrieved 2010-04-10.  Text " World News " ignored (help); Text " Sky News " ignored (help)