Khan Academy
Khan Academy: Ancient Egypt, an Introduction
Egyptian imagery, concepts, and perspectives are found everywhere; you will find them in architectural forms, on money, and in our day to day lives. This introduction will provide you with the primary filters to view and understand...
Other
Timekeepers.org: Calendar History
Scroll down this page to see the various topics addressed on this website. Learn a "brief history of the Western Calendar" as well as information about the ancient calendars of the world, including the Sumerian, Egyptian, and Greek...
NumberNut
Number Nut: Calendar Origins
History and mathematics merge in this lesson that explores the origin of the calendar. Learn how it all got started in this detailed lesson that includes a simple months of the year game and a more challenging time conversion game. Both...