Exodus 19:1-3

Douay-Rheims 1899 American Edition

19 In the third month of the departure of Israel out of the land of Egypt, on this day they came into the wilderness of Sinai:

² For departing out of Raphidim, and coming to the desert of Sinai, they camped in the same place, and there Israel pitched their tents over against the mountain.

³ And Moses went up to God: and the Lord called unto him from the mountain, and said: Thus shalt thou say to the house of Jacob, and tell the children of Israel: