Paper calendars have a long and rich history. In fact, one of the earliest calendars on paper is the Chronography of 354. As early as the fourth century, Furius Dionysius Folocalus was commissioned by Valentinus to draw and write the calendar (as they knew it). To this day, paper calendars are still used. But, due […]























Deanna Ritchie
Editor-in-Chief at Calendar. Former Editor-in-Chief and writer at Startup Grind. Freelance editor at Entrepreneur.com. Deanna loves to help build startups, and guide them to discover the business value of their online content and social media marketing.