|"Is this all real? Or has this been happening inside my head?"
The subject of this article is of a real-life person, place, group, company, product, or creative work that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
Judaism is the religion, philosophy, and way of life of the Jewish people. It is one of the oldest monotheistic religions, teaching the belief in one God, and strongly influenced the development of later Abrahamic faiths, including Christianity and Islam. Its holy book is known as the Tanakh or Hebrew Bible and its adherents are called Jews. 
During Biblical times, the Israelites, an ancient Semitic people who preceded modern Jews, went to war against the Philistines. The Philistines hired a giant mercenary, Goliath, to fight for them, but he was ultimately slain by a young boy.
Hogwarts School of Witchcraft and Wizardry taught students from multiple faiths. This included Jewish witches and wizards, such as Anthony Goldstein, who was neither the first nor the only Jewish student in the school's history.
Notes and references
- ↑ 1.0 1.1 1.2 "Judaism" on Wikipedia
- ↑ 2.0 2.1 Famous Wizard Card (Goliath)
- ↑ "‘Harry Potter’ Author J.K. Rowling Opens Up About Books’ Christian Imagery" from MTV.com
- ↑ J.K. Rowling (@jk_rowling) on Twitter: "OK, let me clarify that! Anthony isn't the first Jewish student, nor is he the only one. I just have reasons for knowing most about him!"
- ↑ J.K. Rowling (@jk_rowling) on Twitter: ".@benjaminroffman Anthony Goldstein, Ravenclaw, Jewish wizard."
- ↑ Pottermore - Fantastic Beasts and Where to Find Them: Behind the Scenes Feature (see this image and this image)