Yom Yerushalayim is the national holiday recognizing the reunification of the old and the new city of Jerusalem after the Six Day war in 1967.

Yom Ha'atsma'ut is the national holiday recognizing Israel's Declaration of Independence in 1948 with the end of the B

Yom HaZikaron is recognized as Israel's Day of Remembrance for the Fallen of Israel's Wars and Terror Victims.

Yom HaShoah is Israel's Holocaust Remembrance Day, falling on the date in the Jewish calendar (the 27th of Nissan) that reflects the

Tu B'Av, the fifteenth day of the month of Av, is a Day of Love in Judaism.

Tisha B'av is the 9th of the month of Av. It is a day of mourning, marking the destruction of the first and second temples.

In the Bible, God commands the Jewish people to count seven weeks (49 days) starting on the second day of Passover.

Passover commemorates the liberation of the Israelite slaves from Egypt.

No leavened food is eaten during the week of Pesach, in commemoration of the fact that the Jews left Egypt so quickly that their bread did not have enough time to rise.

The first seder begins at sundown on the 15th of Nisan, and the second seder is held on the night of the 16th of Nisan. On the second night, Jews start counting the omer. The counting of the omer is a count of the days from the time they left Egypt until the time they arrived at Mount Sinai.