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jan 1, 1971 - Aperture Science re-opens Test Shaft 09 for testing. (Portal 2 - Trivia)

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- 1971
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Added to timeline:

Half-Life and Portal Universe Timeline

ByThe Fancy Fedora

25 Dec 2018

1

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8085

Date:

jan 1, 1971

Now

~ 54 years ago

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