https://www.wikidates.org/day/2027/6/30.html
June 30th 2027 Holidays and National Days: International Asteroid Day, National Meteor Day,...
Holidays and Events for Wednesday, June 30th, 2027: International Asteroid Day, National Meteor Day, National OOTD Day, National Organization for Women Day,...
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https://www.kuriose-feiertage.de/internationaler-tag-der-asteroiden/
Internationaler Tag der Asteroiden - International Asteroid Day 2026
Jun 27, 2025 - Seit 2015 findet der internationale Tag des Asteroiden (engl. International Asteroid Day) immer am 30. Juni statt.
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