What is the official language of Cuba?

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What name is given to the diagram in which sets are represented by circles?

What children's game takes its name from the Swahili word for "build"?

What Italian town takes tourists to the workshop of renowned stringent-instrument maker Antonio Stradivari?

What year was Viktor Frankl's book "Man's Search for Meaning" published?

What is the singular of timpani?

In what country is the Waterloo battlefield?

Which US state's highest mountain is Mt. Elbert?

In what city would you find the most famous street named "Nevsky Prospekt"?

Athens is the capital of which country?

Which organ is responsible for creating urine?

Which "Simpsons" character is missing an arm?

On what day in February was the 2010 romantic comedy film "Valentine’s Day" released?

In which decade was the Three Mile Island nuclear disaster?

The National Geographic Society was founded in 1888, in which US city?

Vesta is the Roman goddess of what?