The video argues early civilizations formed independently in a compressed global span

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Key facts

• Anatomically modern humans appeared about 300,000 years ago; the first widely accepted cities appeared around 8000 BCE, after roughly 290,000 years without cities.
• The December 29–30 analogy works only if one calendar year represents roughly 2.5–3 million years of human prehistory. On a 300,000-year AMH scale, agriculture and the first cities would fall around December 16–21.
• Agriculture had no single global starting date: cultivation and domestication began in Southwest Asia by roughly 12,000 years ago and at different times elsewhere.
• Uruk reached tens of thousands in the 4th millennium BCE. Harappa and Mohenjo-Daro had grid streets and standardized bricks; northern China had walled settlements; and Norte Chico had monumental platform mounds.
• The selected urban traditions arose over roughly 2,000–3,000 years, but the claim that they had no contact is too absolute. Indus and Mesopotamian societies exchanged goods, evidenced by seals from each region found in the other.
• The compressed-window interpretation is the video's framing, not an established archaeological explanation.

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