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UID:1206@nerdkalender.de
DTSTART;TZID=Europe/Berlin;VALUE=DATE:20211205
DTEND;TZID=Europe/Berlin;VALUE=DATE:20211206
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URL:https://nerdkalender.de/events/day-of-the-ninja-2021-12-05/
SUMMARY:Day of the Ninja
DESCRIPTION:Die Wikipedia meint dazu.
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