Russia π·πΊ @Russia
#OTD in 1826 π·πΊ mathematician Nikolai #Lobachevsky presented the fundamentals of a new, non-Euclidean π #geometry. π‘ He proved that through a point not on a given line there are at least 2 lines parallel to the given line. #MindBlown The world was never the same again... https://t.co/qQjWBy3oTj — PolitiTweet.org