Thorbjoern Jagland served as Secretary General for which major European intergovernmental organization?

💡 Explanation:

Thorbjoern Jagland, a former Prime Minister of Norway, served as the Secretary General of the Council of Europe from 2009 to 2019. The Council of Europe is a leading intergovernmental organization focused on promoting human rights, democracy, and the rule of law across Europe, and is distinct from the European Union.