What is his birthday by the Old Style (O.S.) calendar?
27 December 1654
6 January 1655
25 December 1654
1 January 1655
Answer
The answer is December 27, 1654 by the Old Style (O.S.) calendar. This date corresponds to January 6, 1655 on the Gregorian calendar, which was adopted in England and its colonies in 1752. The Old Style calendar was based on the Julian calendar, which was introduced by Julius Caesar in 46 BC and was in use until the Gregorian calendar was introduced.
Mastering Math with Jacob Bernoulli: A Quiz on the Swiss Mathematician's Legacy
Related Quizzes
Subscribe Now!
Learn something
new everyday
Playing quizzes is free! We send 1 quiz every week to your inbox