Holidays at 14 march of 2021 (date 14.03.2021)
Day of workers of geodesy and cartography
Day of workers of geodesy and cartography of Russia is celebrated in Russia on the second Sunday of March.
International day number "PI"
On March 14, have a celebration of one of the most amazing celebrations – the International day for the number "PI". On this day known to all people concerned about the mathematics.