What anniversaries are observed on April 18?

April 18 is the anniversary of Invention Day, Gerbera Day, Incense Day. 5 anniversaries are registered for this date.

April 18: Invention Day and 4 More Anniversaries

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What Is Invention Day? Every April 18th is "Invention Day" (発明の日, Hatsumei no Hi...

What Is Gerbera Day? Every April 18th is "Gerbera Day" (ガーベラ記念日, Gābera Kinenbi)...

What Is Incense Day? April 18 is Incense Day in Japan. It was established in 199...

What Is Good Skin Day? Every year on April 18th, Japan observes "Good Skin Day" ...

What Is Good Teeth Day? April 18 is "Yoi Ha no Hi," or Good Teeth Day, in Japan....