14 मार्च : International Day of Action for Rivers ; theme in 2022 is “The Importance of Rivers for Biodiversity”. 14 मार्च : International Day of Mathematics (Pi Day); First International Day of Mathematics on March 14, 2020. Follow FBJoin WhatsAppSUBSCRIBE YoutubeRelated Articles: सम्मेलन समारोह युद्धाभ्यास military exercise war exercise conference celebrationMARCH 2022 MONTHLY CURRENT AFFAIRSभारत में रेडियो एवं एवं टेलिविजन का इतिहास History of Radio and Television in India
