Pediatrician Day in Argentine

National Psoriatic Arthritis Day in Canada on October 19;

International ShakeOut Day on October 19 (Drop, Cover and Hold On! If nothing else, remember to take those three steps if and when an earthquake strikes);

World Breast Cancer Day on October 19;

National Day of Fight against Obesity in Argentina on October 19 (Held on the third Wednesday in October);

International Pediatrics Day on October 20 (The Day of Pediatrics or Día Internacional de Pediatría was instituted in 1973, during the World Congress of Pediatrics held in Argentina, in commemoration of the founding of Argentine Pediatric Society);

Advertiser's Day in El Salvador on October 20 (Día del publicista - Celebrated on the third Friday of October);

Cook's Day in El Salvador on October 20 (Día del cocinero);

National Down Syndrome Day in South Africa on October 20;

Information Overload Day on October 20;

International Mastocytosis & Mast Cell Diseases Awareness Day on October 20;

National Nurses' Day in Thailand on October 21;

Engineer's Day in Iceland on October 21 (2022);

Global Iodine Deficiency Disorder Prevention Day or World Iodine Deficiency Day on October 21;