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Is the Danube the longest river in Europe?

In what year was the Bitcoin genesis block mined? Answer with the year only.

Who was Prime Minister of Japan on January 1, 2015? Answer with the full name.

How many member states did the European Union have on January 1, 2019?

How many countries used the euro as their official currency as members of the euro area on January 1, 2023?

How many sets must a player win to win a men's singles match at a Grand Slam tennis tournament?

What is the capital of Australia? Answer with the city name only.

Who was Chancellor of Germany on January 1, 2015? Answer with the full name.

What is the official currency of Mexico? Answer with the currency's English name.

Was Tony Blair the Prime Minister of the United Kingdom on January 1, 2005?

Who was the first President of the United States? Answer with the full name.

Which country has the largest land area in the world? Answer with the country's name.

Which country won the 2019 Rugby World Cup? Answer with the country's name.

What is the largest lake in Africa by surface area? Answer with the lake's name.

Did a majority vote for the United Kingdom to leave the European Union in the June 2016 referendum?

Which country hosted the 2014 FIFA World Cup? Answer with the country's name.

What is the official currency of South Korea? Answer with the currency's English name.

What is the largest desert in Africa? Answer with the desert's name.

What is the ISO 4217 currency code of the South African rand? Answer with the three-letter ISO 4217 code.

What is the highest mountain on Earth measured from sea level? Answer with the mountain's name.

In what year did the Berlin Wall fall? Answer with the year only.

Who was Secretary-General of the United Nations on January 1, 2010? Answer with the full name.

Which man had won the most Wimbledon gentlemen's singles titles as of January 1, 2025? Answer with the full name.

How many interlocking rings are on the Olympic flag?

Which country has won the most FIFA men's World Cup titles as of January 1, 2025? Answer with the country's name.