I understand the need for learning of the struggles and trials of other cultures. However, I don't see a point in dedicating a specific "holiday" for it. Instead of learning about black history in depth during that one month, why not just add a more in depth discussion during the normal curriculum? Same thing with any other (insert your choice here).

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"BOY: On a hot summer night, would you offer your throat to the wolf with the red roses? GIRL: Will he offer me his mouth? BOY: Yes. GIRL: Will he offer me his teeth? BOY: Yes. GIRL: Will he offer me his jaws? BOY: Yes. GIRL: Will he offer me his hunger? BOY: Yes. GIRL: Again, will he offer me his hunger? BOY: Yes! GIRL: Yes. BOY: On a hot summer night, would you offer your throat to the wolf with the red roses? GIRL: Yes. BOY: I bet you say that to all the boys!" -Meatloaf