Memorial dates

August 2026

• 1991

  2935 years (1991) since the closure of the Semipalatinsk Nuclear Test Site

• 1876

  30150 years (1876-1919) since the birth of Altai studies researcher Rudny Altai Alexander Nikitich Sedelnikov

• 1901

  Date without a day125 years (1901) since the opening of the Mariinsky girls' school in Ust-Kamenogorsk