What was the first organiser?

The first organizer is generally considered to be the "filing cabinet," invented in the mid-19th century, which allowed for the systematic storage and retrieval of documents. However, if referring to a personal organizer, the first known was the "day planner" popularized in the 20th century, notably by Franklin Covey. These organizers helped individuals manage their time and tasks more effectively. The concept of organization has evolved significantly with advancements in technology, leading to digital organizers and apps today.