17th century, English mathematician, John Wallis, was born 3 December 1616 (ns), 23 November (os) #histsci https://thonyc.wordpress.com/2013/11/23/cromwells-code-breaker/
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.