jan 1, 250 BC - First Binary Systems

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Indian mathmetician Acharya Pingala was the first one to show that all numbers can be written using a series of only two symbols: zero and one.

Binary code is still important in computer science today, nearly two millennia after its initial creation. I would justify its appearance on this list by saying that its lasting effect on the world, simplicity, and revolutionary nature make it well worthy of being a part of the history of computer science.

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