Fun Fact: On this day 255 years ago, the eraser was invented. Source: https://www.nationaldaycalendar.com/national-day/national-rubber-eraser-day-april-15by johnataylor on TwosFun Fact: On this day 255 years ago, the eraser was invented. Source: https://www.nationaldaycalendar.com/national-day/national-rubber-eraser-day-april-15