In December 1989, Béla Markó became a founding member and vice-president of the Hungarian Democratic Union of Romania, from Mures, being elected as a member of the HDUR’s Presidium. Although he believed at the time that this was a temporary commitment and that he left the writing only for a short time, he continued to be proactive in political activity. After the parliamentary elections of May 1990, he was elected as Senator of Mureș, from the HDUR”s lists, being re-elected in all subsequent legislatures. In the first term, he was a member of the Senate Culture and Education Commissions, a member of the Steering Committee of the Romanian Group of the Interparliamentary Union and the president of the HDUR group in the Senate. In the course of his parliamentary activity, Béla Markó was a member of the parliamentary groups of friendship with the Italian Republic and the French-Senate. As a senator, he has been a member of the Committees for Foreign Affairs and Culture of the Romanian Senate, a member of the Committee on Foreign Policy and of the Committee on Education, Science and Youth, a member of the Committee on Foreign Policy and the member fn the Committee on Foreign Policy and the member of the Committee on Culture, Art and Mass Media. In 1993, Béla Markó was elected president of the Hungarian Democratic Union of Romania, being re-elected to this position in the elections of 1995, 1999, 2003 and 2007. Béla Markó was the HDUR’s candidate for the Romanian presidential elections on November 28, 2004, obtaining 533,446 of votes, representing 5.10% of the number of valid votes. On December 29, 2004, Béla Markó was appointed as Deputy Prime Minister in the Tariceanu Government and at the same time Minister of State without portfolio, to coordinate the activities in the field of European culture, education and integration. He resigned on July 3rd, 2007, in order to be able to coordinate the HDUR’s election campaign, but also as a result of the referendum for Traian Băsescu resignation. I resigned not to lose the elections... I wanted to prevent a failure, he explained. Among his achievements as a minister of state, he listed several "extremely important things for the country": joining the EU, allocating higher education amounts to the budget as it was before, as well as relaunching education infrastructure. In the 2008-2012 legislature, Béla Markó was a member of the parliamentary groups of friendship with the Russian Federation and the French-Senate. In the 2008-2012 legislature, Béla Markó initiated 5 legislative proposals out of which 4 were enacted laws. On December 23, 2009, he was re-elected as Deputy Prime Minister in the Boc Cabinets. He continued his mandate after Boc's resignation, on February 6, 2012, in the Ungureanu cabinet. It was replaced on May 7, 2012, following the dismissal by censure motion of the cabinet. At the parliamentary elections of 2012, he obtained a new term of senator in the electoral district no. 28 from Mureș, on the uninominal college 2.
