At what block number did Ethereum mainnet's Merge to proof of stake take effect, i.e. the first proof-of-stake block?
In what year did the United States enter World War I?
In what year was the 23rd Amendment, giving Washington, D.C. electoral votes, ratified?
In what year did the Watergate break-in occur?
In what year was the Affordable Care Act signed into law?
In what year was Pearl Harbor attacked?
In what year did the United States purchase Alaska from Russia?
In what year was George Washington inaugurated as the first President of the United States?
In what year did Olaf Scholz become Chancellor of Germany?
In what year did Finland join NATO?
How many seats does the European Parliament have following the 2024 European election?
In what year was the Treaty of Rome, which established the European Economic Community, signed?
How many sovereign countries are in South America?
How many Great Lakes are there in North America?
How many arrondissements does the city of Paris have?
How many states does Australia have?
In what year was the African Union launched, replacing the Organisation of African Unity?
In what year was the Good Friday Agreement signed?
