National days, ongoing national weeks and months, and global observances for October 21, 2026. Plus historical events and birthdays.
October 21, 2026 celebrates Back To The Future Day, plus 6 more. Today is October 21 on the National Day Calendar and we are traveling back in time to catch a ride on the DeLorean to celebrate Back to the Future Day.
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National Apple Day falls on October 21 on the National Day Calendar as a day to celebrate all things apple! This food holiday is dedicated to growers in the UK and around the world to promote the rich cultural and historical significance of apples, as well as the importance of orchards and apple-related products in agriculture and heritage.
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On October 21, discover one of America’s first skin treatments and favorite skincare ingredients when you celebrate National Witch Hazel Day.
Read the full story →Longer-running observances that include this date.
National Domestic Violence Awareness Month
Month
Lgbtq History Month
Month
National Book Month
Month
Emotional Wellness Month
Month
Breast Cancer Awareness Month
Month
Global Diversity Awareness Month
Month
National Pizza Month
Month
National Cryptocurrency Month
Month
National Learning And Development Month
Month
National Arts & Humanities Month
Month
National Fire Prevention Month
Month
Health Literacy Month
Month
Showing the first 12 — See all months for October.
