Władysław Sikorski was prime minister of the Polish Government in Exile during World War II.
In July 1943, Sikorski and almost all of his entourage were killed in a plane crash when it plunged into the sea immediately after takeoff from Gibraltar.
On 10 April 2010, Lech Kaczynski, the president of Poland, was killed in a plane crash in western Russia, "setting off a new cycle of grievances between Russia and Poland on a day that was supposed to serve the cause of reconciliation between them." (Plane Crash Kills Polish President: A Blow to Russia-Poland ... )
