National Day Calendar

National Day Calendar is a website and online database of holidays, consisting of both widely recognized celebrations−such as religious celebrations and Public holidays−as well "sponsored" days—where an individual or organization pays to have a specific holiday listed on the website.^[4][5] It was founded January 19, 2013 by Marlo Anderson.^[6][1] The holidays listed on the site are commonly featured in local newspapers, on radio programs and on social media.^[3][6]

National Day Calendar

Founded	January 19, 2013; 12 years ago (2013-01-19)[1] in North Dakota[2]
Founder	Marlo Anderson
Headquarters	Mandan, North Dakota[3]
Website	www.nationaldaycalendar.com

In 2018, it was reported that, with C3 Entertainment, the company was developing a movie based on Anderson's experiences with the National Day Calendar, under the name National Daze.^[7]