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Evergreen date guide

What is celebrated on December 27?

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

2020
First observance

International Day of Epidemic Preparedness

The United Nations Secretary-General’s message dated 27 December 2020 explicitly identifies that date as the first observance of the International Day of Epidemic Preparedness.

2013
Institutional decision

World Cities Day

UN Digital Library records A/RES/68/239 as adopted on 27 December 2013.

2008
First observance

Death anniversary of Benazir Bhutto

Contemporaneous reporting documents the first death anniversary, and the State Bank of Pakistan issued a commemorative coin for that first anniversary.

About this date

What this date contains

2 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.

2 have in-depth guides

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

Curated global anchors

Major global guides on December 27

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A reviewed starting point drawn from prominent global observances with strong institutional or organizer sources. Each observance keeps its own documented status and scope.

Reviewed depth

Other in-depth guides on December 27

Source-backedFixed AnnualIn-depth guide

Death anniversary of Benazir Bhutto

27 December · Pakistan / recurring memorial anniversary; not asserted as a permanent nationwide public holiday

The December 27 memorial anniversary is anchored to Benazir Bhutto’s death on 27 December 2007; State Bank and contemporaneous reporting document the first anniversary in 2008, while curren…

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Topics represented on December 27

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Civic, Remembrance & History 1Health, Wellness & Awareness 1
2 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

Death anniversary of Benazir Bhutto

27 December · Pakistan / recurring memorial anniversary; not asserted as a permanent nationwide public holiday

The December 27 memorial anniversary is anchored to Benazir Bhutto’s death on 27 December 2007; State Bank and contemporaneous reporting document the first anniversary in 2008, while curren…

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 →