National days, ongoing national weeks and months, and global observances for November 18, 2026. Plus historical events and birthdays.

November 18, 2026 celebrates National Princess Day, plus 4 more. Founded in 2017 by National Day Calendar® and Seldon Young, Producer of The Swan Princess®.
Read the full story →November 18th recognizes a cold soup that is loved by many. It is National Vichyssoise Day.
Read the full story →On the third Wednesday in November, GIS Day celebrates the technology of Geographic Information Systems. It’s also a day to discover and understand the benefits of GIS.
Read the full story →Annually observed on the Wednesday during American Education Week, National Education Support Professionals Day honors the contributions of school support employees. These support professionals provide invaluable services and are essential partners in a child's education.
Read the full story →Longer-running observances that include this date.
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