Yom HaAtzmaut (Israel Memorial Day) and Yom HaZikaron (Independence Day) are observed in Israel as national holidays.
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