Evergreen date guide

What is celebrated on January 31?

See the observances and verified observance-history milestones attached to January 31. Each observance keeps its own source and date details.

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.

2 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 January 31

Source-backedEdition SpecificIn-depth guide

Independence Day

31 January; 2026 government holiday calendar confirmed · Nauru / national independence and public holiday

Nauru’s Constitution defines Independence Day by reference to January 31, 1968, and the Government Gazette lists January 31, 2026 as Independence Day in the public-holiday calendar.

Source-backedFixed AnnualIn-depth guide

International Zebra Day

31 January in cited zoo and government sources · Wildlife awareness and zebra conservation observance

Smithsonian’s National Zoo uses 31 January for International Zebra Day, and a 2026 Taiwan government news service item likewise identifies 31 January and documents zoo programming around th…

Source-backedFixed AnnualIn-depth guide

National Hot Chocolate Day

31 January · United States / informal food observance with repeated first-party beverage-brand usage

Dunkin first-party material identifies January 31 as National Hot Chocolate Day in multiple archived pieces.

Explore the mix

Topics represented on January 31

All topics →

Civic, Remembrance & History 1 Animals, Nature & Environment 1 Food, Drink & Hospitality 1

3 observances

All observances on this date

Source-backedEdition SpecificIn-depth guide

Independence Day

31 January; 2026 government holiday calendar confirmed · Nauru / national independence and public holiday

Nauru’s Constitution defines Independence Day by reference to January 31, 1968, and the Government Gazette lists January 31, 2026 as Independence Day in the public-holiday calendar.

Source-backedFixed AnnualIn-depth guide

International Zebra Day

31 January in cited zoo and government sources · Wildlife awareness and zebra conservation observance

Smithsonian’s National Zoo uses 31 January for International Zebra Day, and a 2026 Taiwan government news service item likewise identifies 31 January and documents zoo programming around th…

Source-backedFixed AnnualIn-depth guide

National Hot Chocolate Day

31 January · United States / informal food observance with repeated first-party beverage-brand usage

Dunkin first-party material identifies January 31 as National Hot Chocolate Day in multiple archived pieces.

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 →