1. In which year did Greece join the European Communities?

2. Which two countries joined together in 1986?

3. Which three countries joined in 1995?

4. Which two countries joined in 2007?

5. Who became the first permanent President of the European Council when the Treaty of Lisbon came into force in 2009?

6. A proposed EU Constitution was abandoned after voters in which two countries rejected it in 2005?

7. Voters in which country rejected the Treaty of Lisbon in 2008, before approving it a year later?

8. What do the bridges, windows and gateways on euro banknotes represent?

9. What is the highest-value euro banknote still being printed?

10. How many different euro coins are there?

11. The European Court of Human Rights belongs to which organisation, separate from the EU?

12. In which city is Frontex, the EU's border and coast guard agency, based?

13. In which city is Europol based?

14. What is the name of the EU's satellite navigation system?

15. In which year did the EU abolish mobile phone roaming charges for travellers within the EU?

16. Which type of charging port did the EU make standard for new phones from the end of 2024?

17. Which city was the first European Capital of Culture, in 1985?

18. During the debt crisis, what word was coined for a possible Greek exit from the euro?

19. What is the EU's "Blue Card"?

20. In 1992, voters in which country rejected the Maastricht Treaty, before approving it a year later with opt-outs?