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jan 1, 1971 - Aperture Science re-opens Test Shaft 09 for testing. (Portal 2 - Trivia)
Description:
- 1971
-
Added to timeline:
Half-Life and Portal Universe Timeline
By
The Fancy Fedora
25 Dec 2018
1
0
8672
Date:
jan 1, 1971
Now
~ 55 years ago
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