The answer is: Herodias' daughter

Mark 6:22-25 - The only other birthday party mentioned is that of Pharaoh in Gen 40:20. Herodias' daughter is generally accepted to be Salome.

Herodias’ daughter, commonly known as Salome, certainly made quite the impression at Herod's party! The scene is ideal drama material—a royal birthday bash where the daughter dances and ultimately seals John the Baptist’s fate with a chilling request. In the cultural context of Herodian rule, the expectations and complexities of power and family dynamics come into sharp focus. It’s noteworthy that none of Herod’s guests opposed the grim request; rather, the political machinations of the court were at play—showing that even amidst celebration, power struggles plotted tragedy.

If we step back a bit, there's an interesting biblical connection to consider. Salome's story echoes the events in Genesis 40, where Pharaoh celebrates a birthday too. This Biblical birthday party pipeline suggests a recurring theme: transitions of power and justice drawing from earlier narratives. In mythology and history, birthdays signify renewal or reflection, but for Herod, it became a moment steeped in cruelty when he succumbed to coerced promises.

Salome’s infamous dance is oft-cited in literature, symbolizing seduction and manipulation, inviting exploration of how femininity is portrayed within these ancient tales—it reveals how dangerous allure can be when single-minded ambition combines with desperate parental influence, without regard for consequence. The world today may see entertainments in itself, but within these sacred pages lie intricate tales that challenge how we view actions and their repercussions—even in plight enjoyed in revelry.