Roscosmos/TASSEventsCosmonauts Congratulate Students on Day of KnowledgeCosmonauts on ISS Congratulate Russia on State Flag DayRecent coverageCosmonauts of Roscosmos Anna Kikina and Andrey Fedyayev congratulated schoolchildren on Knowledge Day and the start of the school year, reported... — ТАСС (Telegram)Cosmonauts from the ISS floor congratulated Russians on the Day of the State Flag. — ТАСС (Telegram)