MOSCOW, June 22 /ITAR-TASS/. Russian Prime Minister Dmitry Medvedev said Sunday that Russia remembers the grief and devastation the tidal waves of Nazism and fascism bring in their wake and it is capable of averting their rise, he wrote on his Facebook page on Sunday.

He named the tragedy of fascism as “the greatest tragedy of the 20th century,”

On his Instagram page, Medvedev attached a photo of himself and Russian President Vladimir Putin walking in the Kremlin and assigned tags to the photo linked to the Day of Mourning and Sorrow observed in Russia on June 22.

On June 22, 1941 Nazi Germany’s troops invaded the Soviet Union starting the four-year-long war that claimed the lives of about 30 million Russians.