Chromosome Duplication Syndrome Day (World Idic15 Awareness Day)
Celebrated on 15 OctoberChromosome Duplication Syndrome Day (World Idic15 Awareness Day)
Other holidays on 15 October
- Congratulate Father's Day in Russia →
- Road Workers Day in Russia
- Day of Food Industry Workers in Russia
- Harvest festival "Kirmes" in Germany
- International White Cane Safety Day
- Global Handwashing Day
- World Student Day
- Improviser's Day
- International Day of Rural Women
- Breast Health Day
- Autumn leaf picking day
- According to the folk calendar - Kupriyan and Ustinya
- Pregnancy and Infant Loss Remembrance Day
- Gahanbar Mithras in Zoroastrianism
- Day of creation of the address and reference service of the Federal Migration Service of the Russian Federation
- Day of Workers of the Pharmaceutical and Microbiological Industry of Belarus
- Teacher's Day in Brazil
- Evacuation Day in Tunisia
- Navaratri - Nine Nights of Autumn in India (Sharad Navaratri)
- Day of the Hieromartyr Cyprian and the Holy Martyr Justina
- Memorial Day of the Holy Righteous Warrior Theodore Ushakov
- Memorial Day (Repose) of St. Cassian of Uglich