How many states does Brazil have, not counting the Federal District?

How many federal states (Lander) does Germany have?

How many European Union member states used the euro in 2025?

How many prefectures does Japan have?

How many UN member states share a land border with Russia?

How many countries share a land border with Germany?

In what year was the US Civil Rights Act signed into law?

In what year was the US Voting Rights Act signed into law?

How many years is one term of the President of the United States?

In what year was Joe Biden inaugurated as President of the United States?

In what year did the United Kingdom formally leave the European Union?

In what year did Narendra Modi first become Prime Minister of India?

In what year did Boris Johnson become Prime Minister of the United Kingdom?

In what year did Solana's mainnet beta launch?

In what year was Vladimir Putin first inaugurated as President of Russia?

Joe Biden was which number President of the United States?

In what year was Donald Trump first elected President of the United States?

In what year did the US SEC approve the first spot Bitcoin ETFs?

Which EIP number introduced Ethereum's base fee that is burned, activated in the London upgrade?

How many Bitcoin halvings had occurred through the end of 2024?

What is the Ethereum slot time after the Merge, in seconds?

What is Bitcoin's target average block time, in seconds?

How many ETH must be staked to run one Ethereum validator?

In what year was Alfred Hitchcock's film Psycho released?

In what year did Ethereum's Merge to proof of stake take place?