International Migrants Day
International Migrants Day is observed every December 18 to honor the rights and contributions of migrants worldwide.
Thursday
December 18
12 holidays and observances fall on this day.
World Arabic Language Day
Arabic Language Day is observed annually on December 18 to honor the language's cultural and scientific impact.
National Twin Day
National Twin Day is celebrated annually on December 18 to honor the unique bond between siblings who share a birthday.
Snowflake Appreciation Day
Snowflake Appreciation Day is celebrated every year on December 18 to honor the unique beauty of ice crystals.
Bake Cookies Day
Bake Cookies Day is celebrated annually on December 18, encouraging people to prepare homemade treats for the holiday season.
National Roast Suckling Pig Day
National Roast Suckling Pig Day is observed every year on December 18 to celebrate the tradition of roasting young pigs.
Wear a Plunger on Your Head Day
Wear a Plunger on Your Head Day is a humorous observance marked every year on December 18.
National Ham Salad Day
National Ham Salad Day is celebrated every year on December 18, honoring the tradition of turning ham into a savory spread.
National Re-Gifting Day
National Re-Gifting Day is observed annually on the Thursday immediately preceding Christmas Day.
Answer The Telephone Like Buddy The Elf Day
Answer The Telephone Like Buddy The Elf Day is celebrated every December 18 to bring humor and elf-sized enthusiasm to phone conversations.
Qatar Independence Day (Qatar National Day or Founder's Day)
Qatar National Day is celebrated every year on December 18 to mark the unification of the country in 1878.
Republic Day of Niger
Republic Day of Niger honors the 1958 proclamation of the nation as an autonomous republic on December 18.
Coming up next
National Emo Day
National Emo Day celebrates the music, fashion, and emotional expression of the emo subculture annually on December 19.
National Ugly Sweater Day
National Ugly Sweater Day celebrates tacky holiday knitwear and festive fun on the third Friday in December.
Holly Day
Holly Day honors the ancient history and botanical beauty of the festive evergreen plant annually on December 19.
Underdog Day
Underdog Day honors unsung heroes and resilient competitors on the third Friday in December.
National Oatmeal Muffin Day
National Oatmeal Muffin Day celebrates the wholesome, hearty baked treat annually on December 19.
National Hard Candy Day
National Hard Candy Day celebrates the history and nostalgia of boiled sugar sweets annually on December 19.
Look for an Evergreen Day
Look for an Evergreen Day encourages admiring the beauty and resilience of coniferous trees annually on December 19.
National Heroes and Heroines Day
National Heroes and Heroines Day honors the brave men and women of Anguilla's history on December 19.
Browse the calendar
Fewer
More holidays
Bookmarked