Lag B'omer is a significant Jewish holiday that occurs on the 33rd day of the Omer count, which marks the seven weeks between the Jewish holidays of Pesach and Shavuot. Synonyms for Lag B'omer include "the thirty-third day of the Omer," "the festival of Rabbi Shimon Bar Yochai," and "the bonfire holiday." The holiday is celebrated with bonfires, music, and dancing, and many Jewish communities observe it with processions, parades, and other festive events. It is also a commemoration of the life and teachings of Rabbi Shimon Bar Yochai, a second-century rabbi who is said to have revealed the secrets of the Kabbalah, the mystical teachings of Judaism.