In what year was the Schengen Agreement signed?

How many regions does Italy have?

How many federal states (Lander) does Germany have?

How many member states did the Schengen Area have in 2025?

How many states did India have in 2025?

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

How many countries share a land border with Brazil?

How many countries share a land border with China?

How many countries share a land border with Germany?

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

In what year did the Berlin Airlift begin?

In what year was Ronald Reagan first inaugurated as President of the United States?

In what year did Angela Merkel leave office as Chancellor of Germany?

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

In what year was Bill Clinton first elected President of the United States?

How many bytes long is a Keccak-256 hash?

In what year was The DAO on Ethereum hacked?

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

What is the chain ID of Arbitrum One?

What is the EIP-155 chain ID of Ethereum mainnet?

In what year was the film Gone with the Wind released?

How many Academy Awards for acting did Katharine Hepburn win?

In what year was the film E.T. the Extra-Terrestrial released?

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

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