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#DarkMatterDay
When is Dark Matter Day?
Dark Matter Day is celebrated annually on October 31st.
Dark Matter Day
Category: OCTOBER
What National Days are there in October? Find all the National Days, Horoscopes, Observances and Celebrity Birthdays at listofnationaldays.com
Visit a Cemetery Day
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#VisitaCemeteryDay
When is Visit a Cemetery Day?
Visit a Cemetery Day is celebrated annually on the last Sunday in October.
Wear Purple for Domestic Violence Awareness Day
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#WearPurpleforDomesticViolenceAwarenessDay
When is Wear Purple for Domestic Violence Awareness Day?
Wear Purple for Domestic Violence Awareness Day is celebrated annually on the Third Thursday of October.
World Architecture Day
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#WorldArchitectureDay
When is World Architecture Day?
World Architecture Day is celebrated annually on the First Monday in October.
World Ballet Day
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#WorldBalletDay
When is World Ballet Day?
World Ballet Day is celebrated annually on a different day every year.
World Card Making Day
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#WorldCardMakingDay
When is World Card Making Day?
World Card Making Day is celebrated annually on the first Saturday in October.
World College Radio Day
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#WorldCollegeRadioDay
When is World College Radio Day?
World College Radio Day is celebrated annually on the First Friday in October.
World Communion Sunday
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#WorldCommunionSunday
When is World Communion Sunday?
World Communion Sunday is celebrated annually on the First Sunday in October.
World Dyslexia Day
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#WorldDyslexiaDay
When is World Dyslexia Day?
World Dyslexia Day is celebrated annually on the Thursday during Dyslexia Awareness Week in October.
World Habitat Day
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#WorldHabitatDay
When is World Habitat Day?
World Habitat Day is celebrated annually on the First Monday in October.