Exodus 9:6

9:6 And the Lord did this on the next day; all the livestock of the Egyptians died, but of the Israelites’ livestock not one died.

Exodus 19:1

Israel at Sinai

19:1 In the third month after the Israelites went out from the land of Egypt, on the very day, they came to the Desert of Sinai.

Exodus 32:6

32:6 So they got up early on the next day and offered up burnt offerings and brought peace offerings, and the people sat down to eat and drink, and they rose up to play.