[1] Komorowski was then the governing Civic Platform party's candidate in the resulting presidential election, which he won in the second round of voting on 4 July 2010.

On 6 August 2015, Komorowski was succeeded as president by Andrzej Duda, after the latter won the second round of the 2015 presidential election.

Born as a son of Zygmunt Leon Komorowski (1927–1992), professor of African Studies at the University of Warsaw and Jadwiga Komorowska (née Szalkowska) (b.

[3][4] Furthermore, Komorowski remembered that his grandmother, Maria Magdalena Gorska, sang songs in the Lithuanian language and told him about Lithuania.

[7] Komorowski recalled that in his adolescence years his father took him near the border, ordered him to kneel and to pray with the Lord's Prayer.

In the Polish People's Republic, Komorowski took part in the democratic movement as an underground publisher and co-operated with Antoni Macierewicz[8] on the monthly Głos (1977–1981).

[8] In 1980, he was sentenced along with activists of the Movement for Defense of Human and Civic Rights to one month in prison for organizing a demonstration on 11 November 1979[9] (the judge who presided the trial was Andrzej Kryże).

In 1997, during the 2nd Sejm, together with a group of Warsaw University activists under the management of Jan Rokita he created Koło Konserwatywno-Ludowe.

In 2001, while still a minister in the minority AWS government, Komorowski, along with some activists from SKL, became a member of Civic Platform (PO).

Stefan Niesiołowski, Krzysztof Putra, Jarosław Kalinowski, Jerzy Szmajdziński were elected Vice Speakers.

[16] Following the death of Władysław Stasiak, the chief of the Chancellery of the President of the Republic of Poland, Komorowski appointed Jacek Michałowski to succeed him on an acting basis.

On 12 April, he appointed retired General Stanisław Koziej head of the National Security Bureau in place of the late Aleksander Szczygło.

[20] Following his election, Komorowski announced that he would resign from the Sejm on 8 July 2010, and thus cease to be a marshal and an acting president (his successor as an acting president was the next marshal of the Sejm Grzegorz Schetyna, who held the position for about a month before Komorowski's formal inauguration).

[citation needed] On 25 May 2015, following his defeat in the second round of the 2015 presidential election, Komorowski conceded the presidency to rival Andrzej Duda, after the latter won a 51.5% majority.

On 22 February 2015 he supported the idea of the President of Ukraine Petro Poroshenko to introduce a UN peacekeeping mission in Donbas.

During his speech, he stated: "There will be no stable, secure Europe if Ukraine does not become part of it, and only the blind can not see the presence of Russian troops in the Donbas."

During a joint press conference with Poroshenko, he stated that he would create his own institute to deal with Polish-Ukrainian relations.

[4] According to Komorowski, in the post-World War II years he felt "ripped from the roots" and that his children also have sentiments for Lithuania.