Bronisław Geremek Constitutional Committee from 1989 to 1991 and its European Law Committee from 2000 to 2001. After a coalition government was formed in October 1997 by the Solidarity Electoral Action (AWS) and the Freedom Union Geremek served as Minister of Foreign Affairs under Prime Minister Jerzy Buzek until 2000. In 1998 Poland chaired OSCE, and Bronisław Geremek served as Chairperson-in-Office. In March 1999 he signed the treaty under which Poland joined NATO. In the election to the European Parliament in June 2004 Geremek was elected as a candidate of the Freedom Union, winning the largest number of votes in Warsaw. In
Jerzy Buzek ever, becoming the first person from the former Eastern Bloc and the first former Prime Minister since Pierre Pflimlin to gain that position. He succeeded the German Christian Democrat MEP, Hans-Gert Pöttering. He pledged to make human rights and the promotion of the Eastern partnership two of his priorities during his term of office, which will last two and a half years until, due to a political deal, Social Democrat MEP Martin Schulz will take over. In his inaugural address in Strasbourg, Buzek stated that among the greatest challenges faced by the European parliament were the economic crisis, European solidarity,