Keep reading for some fun facts about timekeeping throughout the world’s history. 1. The First Measuring of Time Appeared in 2700 B.C. Keeping track of time is a very complex task, and calendars weren ...

The origin of leap years. Many ancient populations, including the Sumerians, Chinese and Romans, created calendars based on phases of the moon. While lunar calendars do a good job of tracking ...

Over time, the Sumerian calendar became increasingly out of sync with the seasons. Around the same time, Egyptians invented a solar calendar of 365 days a year, comprised of three four-month seasons, ...

The Sumerians, like many in ancient times, had a variety of gods, many of whom were considered sacred to various planets. Collectively they were called the Anunnaki.