September 10 Anniversaries

World Suicide Prevention Day

World Observances

What Is World Suicide Prevention Day? September 10th is "World Suicide Preventio...

Sewerage Day

Historical Anniversaries

What Is Sewerage Day? Every September 10th is "Sewerage Day" (下水道の日, Gesuidō no ...

Outdoor Advertising Day

Historical Anniversaries

What Is Outdoor Advertising Day? Every September 10th is "Outdoor Advertising Da...

Color Television Broadcasting Day

Historical Anniversaries

What Is Color Television Broadcasting Day? September 10th is "Color Television B...

Gyutan (Beef Tongue) Day

Food Days

What Is Gyutan Day? September 10th is "Gyutan Day" (Beef Tongue Day) in Japan, e...

Contact Lens Day (Kontakuto Renzu no Hi)

Industry Days

What Is Contact Lens Day? September 10th is "Contact Lens Day," based on a wordp...

Nihyakuhatsuka -- The 220th Day

Seasonal Events

What Is Nihyakuhatsuka? Around September 10th is "Nihyakuhatsuka" ("the 220th da...

Intellectual Disability Awareness Day

Other

What Is Intellectual Disability Awareness Day? September 10th is "Intellectual D...

C-ute Day

Other

What Is C-ute Day? September 10th is "C-ute Day" in Japan, named after the idol ...