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Evergreen date guide

What is celebrated on December 23?

See the observances and verified observance-history milestones attached to December 23. Each observance keeps its own source and date details.

Verified history

On this date in observance history

Today in history →

Selected observance milestones connected to this date, based on reviewed sources.

2001
First observance

HumanLight

The official FAQ identifies the first public celebration as December 23, 2001 in Verona, New Jersey.

1994
Later action

International Day of Cooperatives

Invited Governments and relevant international and cooperative organizations to observe the International Day of Cooperatives annually on the first Saturday of July starting in 19…

1961
Institutional decision

National Day

The Grand Ducal Court gives the decree/order date as 23 December 1961.

1958
Later action

Independence Day

Established paid-holiday treatment for August 25 under the labour-law framework.

About this date

What this date contains

3 observances

Each observance is shown once in this view, with its own source and scope details available on the guide page.

0 repeat predictably

0 use a fixed annual date and 0 follow a reusable calendar rule.

0 are edition-specific

These dates are shown only for the year or edition that has been confirmed.

1 have a country-specific scope

Country-specific observances are not presented as worldwide events.

3 have in-depth guides

These pages include reviewed meaning, history, activities, facts and FAQs.

Reviewed depth

Other in-depth guides on December 23

Source-backedFixed AnnualIn-depth guide

HumanLight

23 December annually · Secular humanist holiday/community observance

HumanLight’s official organization identifies 23 December as the holiday and maintains current information about secular humanist celebration.

Source-backedFixed AnnualIn-depth guide

National Farmers’ Day (Kisan Diwas)

23 December · India / farmer-recognition observance commemorating former Prime Minister Chaudhary Charan Singh

ICAR states that Kisan Diwas is observed annually on 23 December and commemorates Chaudhary Charan Singh’s birth anniversary; Press Information Bureau likewise identifies National Farmers D…

Source-backedFixed AnnualIn-depth guide

National Farmers’ Day (Kisan Diwas)

23 December annually · India; farmers and agricultural community recognition

Government of India material identifies National Farmers’ Day, also known as Kisan Diwas, on 23 December.

Explore the mix

Topics represented on December 23

All topics →
Workplace, Professions & Appreciation 2Celebrations & Social 1
3 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

HumanLight

23 December annually · Secular humanist holiday/community observance

HumanLight’s official organization identifies 23 December as the holiday and maintains current information about secular humanist celebration.

Source-backedFixed AnnualIn-depth guide

National Farmers’ Day (Kisan Diwas)

23 December · India / farmer-recognition observance commemorating former Prime Minister Chaudhary Charan Singh

ICAR states that Kisan Diwas is observed annually on 23 December and commemorates Chaudhary Charan Singh’s birth anniversary; Press Information Bureau likewise identifies National Farmers D…

Source-backedFixed AnnualIn-depth guide

National Farmers’ Day (Kisan Diwas)

23 December annually · India; farmers and agricultural community recognition

Government of India material identifies National Farmers’ Day, also known as Kisan Diwas, on 23 December.

How dates are selected

This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.

Read the methodology →