International Day of Culture for Concord and Peace
International Day of Culture for Concord and Peace is held on October 21. Organized by Aljabart Charitable Foundation. This event in the third decade of the month october is annual.
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);
International Day of the Nacho on October 21 (nachos first appeared in 1943 in Piedras Negras, a small Mexican city which is very near to the U.S. military base Fort Duncan, in Texas);
Fechner Day on October 22 (International observance);
World Ballet Day on October 23 (is an annual celebration of ballet held since 2014 in the first week of October)