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1 Jan 1958 Jahr - Aperture Science begins forming control groups for experimentation with cranial microchip implantation. (Portal 2: The Official Guide)

Beschreibung:

- 1958
- Aperture Science constructs Test Shaft 09 Chambers 27 and 28, and begins forming control groups for experimentation with cranial microchip implantation.

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Half-Life and Portal Universe Timeline

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1 Jan 1958 Jahr
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~ 67 years ago
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