In what year did Poland join the European Union?
In what year did the United Kingdom hold its referendum on membership of the European Union?
In what year did Croatia join the European Union?
In what year was the Schengen Agreement signed?
In what year did Bulgaria and Romania join the European Union?
In what year did the Berlin Wall fall?
How many seats does the House of Commons of the United Kingdom have following the 2024 general election?
How many seats does the House of Commons of the United Kingdom have following the 2024 general election?
How many cantons does Switzerland have?
How many union republics made up the Soviet Union at the time of its dissolution in 1991?
How many union republics made up the Soviet Union at the time of its dissolution in 1991?
In what year did Sweden become a member of NATO?
In what year was the Treaty of Westphalia signed?
How many countries signed the North Atlantic Treaty as founding members of NATO in 1949?
How many member states did NATO have on 1 January 2025?
In what year did the Rome Statute of the International Criminal Court enter into force?
In what year did Finland become a member of NATO?
In what year was the Universal Declaration of Human Rights adopted by the United Nations General Assembly?
