Russia 🇷🇺 @Russia
#OTD 🔭In 1839, Pulkovo astronomical observatory near #StPetersburg was founded. The 3️⃣8️⃣-centimetre (1️⃣5️⃣-inch) observatory's refracting telescope was then the largest in the 🌐world. From the beginning the 🇷🇺observatory was notable for the 👍quality of observations made there. https://t.co/UaTnr8M6pe — PolitiTweet.org