Permanent recordFriday
Everything December 18, 2026 celebrates
7 national, international, and world observances are on the calendar for Friday, December 18, 2026.
| # | Observance | Category | Actions |
|---|---|---|---|
| 01 | National Ugly Christmas Sweater DayLead | Celebration | |
| 02 | Bake Cookies Day | Food | |
| 03 | Arabic Language Day | Books | |
| 04 | International Migrants Day | Community | |
| 05 | National Twin Day | Kids & Family | |
| 06 | Answer the Phone Like Buddy the Elf Day | Celebration | |
| 07 | National I Love Honey Day | Food |
Born on December 18
Historic figures
- Willy Brandt1913–1992German politician, 4th Chancellor of Germany, Nobel Prize laureate
- J. J. Thomson1856–1940English physicist and academic, Nobel Prize laureate
- Archduke Franz Ferdinand of Austria1863–1914Heir to the Austrian throne
- Paul Klee1879–1940Swiss-German painter and educator
Celebrities & public figures
- Steven Spielbergb. 1946American director
- Brad Pittb. 1963American actor and producer
- Billie Eilishb. 2001American singer
- Christina Aguilerab. 1980American singer-songwriter
Everyone born on December 18 →
Birth dates from Wikidata; names link to Wikipedia.
Today Celebrates tracks daily national, international and world observances all year. This page is a permanent record of December 18, 2026.
For what falls on December 18 in any year, see December 18 holidays and observances.
For every date on record in 2026, see 2026 holidays and observances.