Holidays at 1 october of 2021 (date 01.10.2021)
International day of older persons international day for the elderly) (in the other official UN languages: eng. International Day of Older Persons, use Día Internacional de las Personas de Edad, FR. Journée internationale pour les personnes âgées ) — is celebrated on 1 October since 1991.
The day of the army - the professional holiday of servicemen and civil servants of the land forces of Russia. This day is celebrated in Russia every year, October 1.
International smile day is celebrated on 1 October.
International music day is celebrated on October 1.