Star of David (Magen David)modern
Hexagram — the emblem of Judaism and the Jewish people; on the Zionist flag (1897) and Israel's flag.
Tradition: hebrew, jewish · Period: Decorative in antiquity; Jewish emblem from medieval Prague (1354); general symbol 17th–19th c. · Unicode: U+2721
Modern history: The hexagram is ancient and pan-cultural; its use as THE symbol of Judaism is medieval-to-modern (not biblical).
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Sources
Image: Public domain · Zscout370 · source. Please keep this credit when you use it.