Exodus 16:30

Overview - Exodus 16
1	The Israelites come to Sin, and murmur for want of bread.
4	God promises them bread and flesh from heaven, and they are rebuked.
13	Quails and manna are sent.
16	The ordering of manna.
25	It was not to be found on the sabbath.
32	An omer of it is preserved.

Exodus 16:30  (King James Version)
So the people rested on the seventh day.