Mathematicians Of The Day

31st January



On this day in 1918, the Bolshevik government in Russia adopted the Gregorian Calendar which required 13 days to be added. Catholic European countries had adopted it in 1582 and the British had used it from 1752.

Click on for a poster.


Quotation of the day

From Persi Diaconis
The really unusual day would be one where nothing unusual happens.