Lag BaOmer is a Jewish holiday celebrated on the 33rd day of the Omer, which is the counting of the days between Passover and Shavuot. This day commemorates the end of a plague that killed many of Rabbi Akiva's students and honors the life of Rabbi Shimon bar Yochai, a revered sage and mystic. Traditionally, people celebrate Lag BaOmer with bonfires, picnics, and outdoor activities. It is also a time for children to play with bows and arrows, symbolizing the joy of the day. The holiday is marked by a spirit of unity and celebration within the Jewish community.