Jewish, Christian, and Islam have a Sabbath.
Not sure what anyone else did.
Lots of holidays, especially in places with multiple calendars (lunar/solar/etc).
Because Moses asked Pharaoh for a day off and Pharaoh said no, get back to work.
Not really a day of rest since you have to go to <place of worship>
Lots of holidays, especially in places with multiple calendars (lunar/solar/etc).