Jisho

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Noun
1. Earth Day (April 22)
Wikipedia definition
2. Earth DayEarth Day is an annual day on which events are held worldwide to increase awareness and appreciation of the Earth's natural environment. Now Earth Day is coordinated globally by the Earth Day Network, and is celebrated in more than 175 countries every year. In 2009, the United Nations designated April 22 International Mother Earth Day. Earth Day is planned for April 22 in all years at least through 2015.
Read “Earth Day” on English Wikipedia
Read “アースデイ” on Japanese Wikipedia
Read “Earth Day” on DBpedia
Other forms
アースデイアース・デーアース・デイ

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