Which ancient religious symbol was deliberately redesigned in the 20th century to create a more unified brand identity across its various denominations?

Religious symbols are among the most powerful and enduring examples of brand design in human history. From the Christian cross to the Islamic crescent, these symbols convey complex theological concepts through simple, recognizable designs. This poll tests your knowledge about the product design philosophy behind major religious symbols and how they've evolved as spiritual 'brand identities' throughout history.

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The Christian Ichthys (fish symbol), standardized in the 1970s to create unity among Protestant denominations
The Buddhist Dharma Wheel, which underwent formal design standardization in 1967 by the World Fellowship of Buddhists
The Jewish Menorah, which was redesigned after the founding of Israel to create a more consistent visual identity
The Hindu Om symbol, which received official design guidelines from the Vishva Hindu Parishad in 1983