when was he(sir Newton) borned?
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4 January 1643
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4 January 1644
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4 January 1645
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4 January 1646
A
Correct answer
Explanation
Isaac Newton was born on December 25, 1642 (Old Style Julian calendar) in England. However, when converted to the Gregorian calendar (which wasn't adopted in England until 1752), this corresponds to January 4, 1643. The question uses the Gregorian calendar date, which is the standard in modern historical records. Newton's birth date is often given as Christmas Day 1642 in England at the time, but January 4, 1643 internationally.