Yom HaZikaron (Israel Memorial Day) and Yom HaAtzmaut (Independence Day) are observed in Israel as national holidays.
The Eternal One spoke to Moses after the death the two sons of Aaron who died when they drew too close to the presence of the Eternal. - Leviticus 16:1
The Eternal One spoke to Moses saying: "Speak to the whole Israelite community and say to them: You shall be holy, for I, the Eternal your God, am holy." - Leviticus 19:1-2
The Eternal One said to Moses: "Speak to the priests, the sons of Aaron, and say to them: None shall defile himself for any [dead] person among his kin, . . ." - Leviticus 21:1
The Eternal One spoke to Moses on Mount Sinai: "Speak to the Israelite people and say to them: When you enter the land that I assign to you, the land shall observe a sabbath of the Eternal." - Leviticus 25:1-2
If you follow My laws and faithfully observe My commandments, I will grant your rains in their season, so that the earth shall yield its produce and the trees of the field their fruit. - Leviticus 26:3-4