The Derbyshire challenge:
… find anything interesting to say about the number 2017.
Yes, it’s a prime, the 306th. (The 2,017th prime, which I know you’re now wondering about, is 17,539. The last prime year was 2011; the next is 2027; the gaps there, average size 8, are what you’d expect, since log (2017) = 7.60936653795.)
Find something else.
The Hollerith 1890 Census Tabulator.
The world’s first underground railway line opens in London.
Japan’s first written constitution came into effect (Meiji year 22).
Francis Galton inaugurates the scientific understanding of human fingerprints.
The Móðuharðindin (Mist Hardships).
The Great Meteor.
The Treaty of Paris. “In the name of the most holy and undivided Trinity. …”