3,508 accepted97% rate54.0 hours
How many amendments to the Constitution of the United States had been ratified as of 1 January 2025?
In what year did the United Kingdom hold its referendum on membership of the European Union?
In what year did the Treaty of Lisbon enter into force?
In what year did Bulgaria and Romania join the European Union?
In what year did the Berlin Wall fall?
How many union republics made up the Soviet Union at the time of its dissolution in 1991?
In what year did the Rome Statute of the International Criminal Court enter into force?
In what year did Sweden become a member of NATO?
How many electoral votes did Ronald Reagan receive in the 1984 United States presidential election?
In what year was the Scottish independence referendum held?
How many seats does the European Parliament have following the 2024 European elections?
How many judges sit on the International Court of Justice?
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)?
At what Ethereum mainnet block number did the Constantinople (with Petersburg) upgrade activate?