World Polio Day
World Polio Day is held on October 24. This event in the third decade of the month october is annual.
World Ballet Day on October 23 (is an annual celebration of ballet held since 2014 in the first week of October);
World Champagne Day on October 23 (Celebrated on the penultimate Friday of October);
Doctor's Day in Mexico on October 23 (Día del médico);
National Red Ribbon Week in USA on October 23 (is the oldest and largest drug prevention program in the nation reaching millions of young people);
World Opera Day on October 25 (officially is celebrated since 2019)