QUESTION: answer this: what is the symbol for approximately equal to??

ANS: ≈


QUESTION: answer this: when did the minnesota vikings become a football team??

ANS: January 28, 1960


QUESTION: answer this: japanese city that was the site of the first atomic bomb drop??

ANS: Hiroshima


QUESTION: answer this: when did the great wall of china started building??

ANS:
221–206 BC