10 most difficult or­ga­ni­za­tions riddles

The Club of Rome describes itself as an organisation of individuals who share a common concern for the future of humanity, and strive to make a difference. It consists of current and former heads of state, UN bureaucrats, high-level politicians, scientists, economists, and business leaders from around the globe. Founded in 1968 at the Accademia dei Lincei in Rome, Italy, it has been based in Winterthur, Switzerland since 2008.

With 190 member countries, it is the second largest intergovernmental organization after the United Nations by member states.

The May Fourth Movement was an anti-imperialist, cultural, and political movement growing out of student participants in Beijing on 4 May 1919, protesting against the Chinese government's weak response to the Treaty of Versailles, especially allowing Japan to receive territories in Shandong. Many political and social leaders of the next decades emerged at this time.

Switzerland has been home to international organizations for more than a century. To date, it has concluded a “headquarters agreement” with 25 international organizations: 22 organizations have their headquarters in Geneva, two in Berne and one in Basel.

Bricha was the underground organized effort that helped Jewish Holocaust survivors escape post–World War II Europe to the British Mandate for Palestine in violation of the White Paper of 1939. It ended when Israel declared independence and annulled the White Paper. After the Kielce pogrom of 1946, the flight of Jews accelerated, with 100,000 Jews leaving Eastern Europe in three months.

Sweden is a neutral country and chose not to join NATO. However, Sweden became a "NATO Affiliate" in 2016 , and signed a treaty allowing NATO operations to take place within the country's borders.

The Pugwash Conferences on Science and World Affairs is an international organization that brings together scholars and public figures to work toward reducing the danger of armed conflict and to seek solutions to global security threats. It was founded in 1957 by Joseph Rotblat and Bertrand Russell. Rotblat and the Pugwash Conference jointly won the Nobel Peace Prize in 1995 for their efforts on nuclear disarmament.

The League of Corinth, was a federation of Greek states created by Philip II during the winter of 338 BC/337 BC after the Battle of Chaeronea and succeeded by Alexander the Great at 336 BC, to facilitate the use of military forces in the war of Greece against Persia.The name 'League of Corinth' was invented by modern historians due to the first council of the League being in Corinth. It was the first time in history that most of the Greek states managed to become part of a single political entity.

The Salvation Army (TSA) is a Protestant Christian church and an international charitable organisation. The organisation reports a worldwide membership of over 1.7 million, consisting of soldiers, officers and adherents collectively known as Salvationists. Its founders sought to bring salvation to the poor, destitute, and hungry by meeting both their "physical and spiritual needs". It is present in 131 countries, running charity shops, operating shelters for the homeless and disaster relief and humanitarian aid to developing countries.

FIFA is responsible for the organization of football's major international tournaments, notably the World Cup. It was created in Paris in 1904. Today the headquarters of FIFA are located in Zürich, Switzerland.