Russia Day marks the date when the First Congress of People's Deputies of the Russian Federation adopted the Declaration of Russia's National Sovereignty in 1990. (Photos: Xinhua)

Young boys pose for photos with kites during the Russia Day in Moscow, Russia, on June 12, 2021.

Children run with the kites in colors of Russian flag to celebrate the Russia Day in Moscow, Russia, on June 12, 2021.

People wearing the tricolor T-shirts sing the Russian Anthem to celebrate the Russia Day at the Victory museum in Moscow, Russia, on June 12, 2021.