National days, ongoing national weeks and months, and global observances for December 18, 2027. Plus historical events and birthdays.
December 18, 2027 celebrates National Twin Day, plus 3 more. Created in 2017 by National Day Calendar®.
Read the full story →
Answer the Telephone Like Buddy the Elf Day on December 18th encourages everyone to add some elf behavior to their day.
Read the full story →Longer-running observances that include this date.
Universal Human Rights Month
Month
Bingo's Birthday Month
Month
Operation Santa Paws | December 1-24th
Month
Learn A Foreign Language Month
Month
National Drunk & Drugged Driving Prevention Month
Month
Safe Toys And Gifts Month
Month
Spiritual Literacy Month
Month
International Sharps Injury Prevention Awareness Month
Month
National Tie Month
Month
World Twin To Twin Transfusion Syndrome Awareness Month
Month
National Write A Business Plan Month
Month
Worldwide Food Service Safety Month
Month
Showing the first 12 — See all months for December.
