September 23 Anniversaries

Autumnal Equinox Day (Shubun no Hi)

National Holidays

What Is Autumnal Equinox Day? Around September 23rd each year — the date determi...

Neptune Day

World Observances

What Is Neptune Day? September 23 is "Neptune Day." It commemorates September 23...

Cufflink Day

Historical Anniversaries

What Is Cufflink Day? Every September 23rd is "Cufflink Day" (カフスボタンの日, Kafusu B...

Nagano Grape Day

Food Days

What Is Nagano Grape Day? September 23 is Nagano Grape Day, established by JA Ze...

Real Estate Day

Industry Days

What Is Real Estate Day? September 23 is Real Estate Day (Fudousan no Hi) in Jap...

Animal Cruelty Prevention Day

Other

What Is Animal Cruelty Prevention Day? September 23 is Animal Cruelty Prevention...