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?

How many countries joined the European Union in its 2004 enlargement?

In what year were the first direct elections to the European Parliament held?

In what year was the Maastricht Treaty establishing the European Union signed?

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?

In what year did euro banknotes and coins enter circulation?

In what year was the Treaty of Westphalia signed?

In what year did Sweden become a member of NATO?

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 was the Rome Statute of the International Criminal Court adopted?

In what year did Finland become a member of NATO?

How many judges sit on the International Court of Justice?

How many articles does the Universal Declaration of Human Rights contain?

How many member states did the United Nations have on 1 January 2025?

How many permanent members does the United Nations Security Council have?

In what year was the Charter of the United Nations signed in San Francisco?

What is the deployed contract code size limit set by EIP-170, in bytes?

In what year did the Fusaka (Fulu/Osaka) upgrade activate on Ethereum mainnet?

How many slots are in one beacon chain epoch?

In what year did the Ethereum beacon chain launch (its genesis)?

What minimum number of genesis validators (MIN_GENESIS_ACTIVE_VALIDATOR_COUNT) did the beacon chain require to launch?

What was the proof-of-work block reward, in ETH, after the Byzantium upgrade (before Constantinople)?