December 17 Anniversaries

Airplane Day (Hikōki no Hi)

World Observances

What Is Airplane Day? December 17th is "Airplane Day." It commemorates December ...

Ueno Zoo Monorail Opening Day

Historical Anniversaries

What Is Ueno Zoo Monorail Opening Day? December 17th marks the day in 1957 when ...

Meiji Bulgaria Yogurt Day

Food Days

What Is Meiji Bulgaria Yogurt Day? December 17 is "Meiji Bulgaria Yogurt Day," e...

Wachifield Day

Other

What Is Wachifield Day? December 17th is "Wachifield Day" in Japan, marking the ...