National Day Calendar Employee Directory

Entertainment ProvidersNorth Dakota, United States11-50 Employees

National Day Calendar is an entertainment provider based in Mandan, North Dakota, employing between 11 and 50 people and operating the website nationaldaycalendar.com. It functions as a source for National Days, tracking nearly 1,500 National Days, Weeks, and Months and researching their origins while identifying new days for potential celebration. The organization collaborates with brands and educators to activate National Days through storytelling, media strategy, and campaigns, as evidenced by partnerships and new services. In 2026, the company launched a redesigned website and a service called IGNITE, developed with Tilson PR to support brand activation around existing National Days. Reported annual revenue falls in the range of $1 million to $10 million.

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