QUESTION: Generate a question with a factual answer?

ANS: Who convinced Valens to let him return to Alexandria?

QUESTION: Generate a question with a factual answer?

ANS: Who originated the saying 'esse est percipi'?

QUESTION: Generate a question with a factual answer?

ANS: Indentured servants were similar to what people in the early days?

QUESTION: Generate a question with a factual answer?

ANS:
Which Switzerland company obtained the patent for an automatic 20 mm gun during the first World War?