National days, ongoing national weeks and months, and global observances for October 21, 2027. Plus historical events and birthdays.

October 21, 2027 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.
Read the full story →Get to Know Your Customers Day reminds businesses to reach out to patrons and get to know them better. The day is observed annually on the third Thursday of each quarter (January, April, July, October).
Read the full story →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.
Read the full story →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 →National Get Smart About Credit Day, on the third Thursday in October, promotes learning about good credit. It is a national campaign where volunteer bankers help counsel young people on responsible credit habits.
Read the full story →Longer-running observances that include this date.
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