He also served as a member of the Council of Europe from 1971 to 1976, and as deputy chairman of the Martin Luther King Fund from 1968 to 1973.
[3] On 7 November 1975, Ahlmark succeeded Gunnar Helén as leader of the Liberal People's Party.
[6] Ahlmark served as an advisor to the Elie Wiesel Foundation for Humanity since 1987, and was a member of board of the Geneva-based NGO UN Watch since 1993.
[3] In 1994, Ahlmark published the widely debated book Vänstern och tyranniet ("Tyranny and the Left"), which is the major work on Swedish fellow travellers and political pilgrims during the last thirty years.
[7] His next work, Det öppna såret ("The Open Sore"), makes a summary of new research regarding democracy and dictatorship respectively in terms of war, genocide/mass murder, and famine.
[8] In an article in The Washington Times, Ahlmark described Blix as politically "weak and easily fooled" and a "wimp".
[8] In February 2006, Ahlmark wrote in the Wall Street Journal that he had officially nominated former U.S. undersecretary of state John Bolton and American investigative reporter Kenneth R. Timmerman for the Nobel Peace Prize.
[10] The foundation is chaired by the Swedish businessman Robert Weil and honorary chairman is the rabbi Michael Melchior.