jan 1, 1983 - A calendar named "The girls of Aperture Science" is issued by Aperture Science. (Portal - Trivia)

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- 1983
- For this year, a calendar named "The girls of Aperture Science" is issued by Aperture Science. It is unknown if it was issued each year.
- Work progresses on the "Portal" project. Several high ranking Fatah personell choke to death on lamb chunks despite the intervention of their bodyguards.

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