Russian First Lady Lyudmila Putina arrived in Yerevan today on Armenian First Lady Bella Kocharian's invitation. As reported by «Arminfo» agency, she will visit the Russian-Armenian (Slavonic) University in Yerevan, will participate in the ceremonial measures devoted to the closing of the international Olympiad on the Russian language. Besides, Lyudmila Putina will visit the Holy Echmiadzin, will meet with Catholicos of all Armenians Garegin II, and will familiarize herself with the historical and cultural complexes of Armenia.