The story of the giving of the Torah states that God gave it to Moses when he climbed Mount Sinai. Moses remained on the mountain for forty days and forty nights.
Opinion: the narrative of the Giving of the Torah at Mount Sinai (Exodus ch.19-20).
The holiday of Shavuot celebrates the giving of the Torah and the laws contain therein.
Torah
The feast of weeks and the giving of the Torah.
The wheat harvest and the Giving of the Torah.
The Creation and the Exodus, as well as the Giving of the Torah and the World to Come.
The Creation and the Exodus, as well as the Giving of the Torah and the World to Come.
The Giving of the Torah by God.
The Giving of the Torah & the First Fruits.
It could be found in the book of Exodus.
Because it records the Giving of the Torah, and the prophets and sages, and provides all manner of lessons. This is why the Torah itself includes some history.
Genesis, ch.11-25.