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Evergreen date guide

What is celebrated on January 27?

See the observances and verified observance-history milestones attached to January 27. 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.

2026
Later action

National Wisconsin Day

Proclaimed February 15, 2026 as National Wisconsin Day throughout Wisconsin, providing later state recognition of the same-name private observance.

2001
First observance

Holocaust Memorial Day

National Records of Scotland states that the UK day was to be marked for the first time on 27 January 2001; current government material says it has been observed in the UK since 2…

1998
Later action

Independence Day

Named February 24 Independence Day and the anniversary of the Republic of Estonia as the national day and a day of rest.

About this date

What this date contains

4 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.

4 have in-depth guides

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

Reviewed depth

Other in-depth guides on January 27

Source-backedFixed AnnualIn-depth guide

Anniversary of the liberation of Auschwitz

27 January · Auschwitz-Birkenau / annual liberation-anniversary remembrance

The Auschwitz-Birkenau State Museum dates the liberation of Auschwitz to 27 January 1945 and continues to organize the annual liberation-anniversary commemoration on 27 January.

Source-backedFixed AnnualIn-depth guide

Holocaust Memorial Day

27 January annually · United Kingdom / national Holocaust remembrance

UK government material marks Holocaust Memorial Day annually on 27 January, the anniversary of the liberation of Auschwitz-Birkenau.

Source-backedFixed AnnualIn-depth guide

World Breast Pumping Day

27 January annually · Snugabell-created breast-pumping support observance / recurring January 27 awareness day

Snugabell states that it created World Breast Pumping Day in 2017 and invites pumping parents to celebrate on January 27; independent 2018 coverage documents Snugabell as the creator and th…

Explore the mix

Topics represented on January 27

All topics →
Civic, Remembrance & History 3Health, Wellness & Awareness 1
4 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

Anniversary of the liberation of Auschwitz

27 January · Auschwitz-Birkenau / annual liberation-anniversary remembrance

The Auschwitz-Birkenau State Museum dates the liberation of Auschwitz to 27 January 1945 and continues to organize the annual liberation-anniversary commemoration on 27 January.

Source-backedFixed AnnualIn-depth guide

Holocaust Memorial Day

27 January annually · United Kingdom / national Holocaust remembrance

UK government material marks Holocaust Memorial Day annually on 27 January, the anniversary of the liberation of Auschwitz-Birkenau.

Source-backedFixed AnnualIn-depth guide

World Breast Pumping Day

27 January annually · Snugabell-created breast-pumping support observance / recurring January 27 awareness day

Snugabell states that it created World Breast Pumping Day in 2017 and invites pumping parents to celebrate on January 27; independent 2018 coverage documents Snugabell as the creator and th…

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 →