Fatto matematico: 9007 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 9007 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: August 28th is the day in 1859 that a geomagnetic storm causes the Aurora Borealis to shine so brightly that it is seen clearly over parts of USA, Europe, and even as far away as Japan.