890 accepted96% rate13.8 hours
890 accepted96% rate13.8 hours
In what year did the Watergate break-in occur?
In what year was Hong Kong handed over from the United Kingdom to China?
In what year did New Zealand become the first self-governing country to give women the vote?
In what year did the United States purchase Alaska from Russia?
How many years is one term of the President of France?
In what year was Emmanuel Macron re-elected President of France?
In what year did Croatia join the European Union?
In what year was the euro introduced as an accounting currency, before notes and coins?
How many countries are in Central America?
How many federal states (Lander) does Germany have?
How many provinces does Canada have?
How many states does Brazil have, not counting the Federal District?
In what year was Nelson Mandela released from prison?
How many member states did NATO have after Sweden joined in 2024?
In what year did Tony Blair become Prime Minister of the United Kingdom?
Which EIP number introduced Ethereum's base fee that is burned, activated in the London upgrade?
In what year was Donald Trump first elected President of the United States?
At what block height did Bitcoin's first halving occur?
What is the chain ID of OP Mainnet (Optimism)?
In what year was the Bitcoin whitepaper published?
In what year was the first Academy Awards ceremony held?
In what year's Academy Awards ceremony did Parasite win Best Picture?
In what year was Disney's animated film Frozen released?
In what year was the film E.T. the Extra-Terrestrial released?
In what year was the film Citizen Kane released?