The state funeral of Lech Kaczyński and Maria Kaczyńska on 18 April 2010 was affected as some national leaders were unable to attend, including Barack Obama, Stephen Harper, Angela Merkel, and Nicolas Sarkozy.
Pemakaman kenegaraan Presiden Polandia Lech Kaczyński dan istrinya pada 18 April 2010 juga ikut terpengaruh karena beberapa pemimpin negara lain tidak bisa datang, termasuk Barack Obama, Stephen Harper, Angela Merkel, dan Nicolas Sarkozy.