Russia ๐ท๐บ @Russia
๐ June 19, 1669 is the birthday of Leonty Magnitsky, #mathematician & educator, author of the 'Arithmetic', the first #Russian printed manual on #mathematics ๐งฎ The #book played a significant role in the dissemination of mathematical knowledge in #Russia https://t.co/NBPieNvlpK https://t.co/CrfvA3o3rc — PolitiTweet.org