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Evergreen date guide

What is celebrated on July 17?

See the observances and verified observance-history milestones attached to July 17. 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.

2014
First observance

World Emoji Day

Emojipedia’s history describes the 2014 launch, and later first-party material identifies 2017 as the fourth annual edition with the first in 2014.

2005
First observance

Lake Superior Day

The 2004 CORA newsletter says the first-ever basin-wide event would launch in July 2005 and identifies Sunday, July 17, 2005 for Lake Superior Day across the basin; EPA Lake Super…

1959
Institutional decision

Captive Nations Week

The enacted joint resolution is dated and approved July 17, 1959.

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 July 17

Source-backedFixed AnnualIn-depth guide

Constitution Day

17 July · Republic of Korea

Republic of Korea government sources identify 17 July as Constitution Day, commemorating the Constitution promulgated on 17 July 1948. National Archives records trace its statutory national…

Source-backedFixed AnnualIn-depth guide

Day of International Criminal Justice

17 July · Rome Statute system / intergovernmental international-criminal-justice observance established by States Parties; public treatment remains neutral and non-advisory.

At the 2010 Review Conference of the Rome Statute, States Parties adopted the Kampala Declaration and decided to celebrate July 17 as the Day of International Criminal Justice because July…

Source-backedFixed AnnualIn-depth guide

U Tirot Sing Day / Death Anniversary of U Tirot Sing

17 July · Meghalaya / recurring 17 July state holiday and remembrance of U Tirot Sing

Meghalaya government holiday records place the Death Anniversary of U Tirot Sing on 17 July in consecutive years, and Raj Bhavan Meghalaya identifies 17 July 2025 as his 190th death anniver…

Source-backedFixed AnnualIn-depth guide

World Emoji Day

17 July annually · Emojipedia / global organizer-led observance

Emojipedia founder Jeremy Burge says he created World Emoji Day in 2014; current Emojipedia material keeps the annual date on July 17 and identifies the present Zedge stewardship layer.

Explore the mix

Topics represented on July 17

All topics →
Civic, Remembrance & History 3Arts, Entertainment & Lifestyle 1
4 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

Constitution Day

17 July · Republic of Korea

Republic of Korea government sources identify 17 July as Constitution Day, commemorating the Constitution promulgated on 17 July 1948. National Archives records trace its statutory national…

Source-backedFixed AnnualIn-depth guide

Day of International Criminal Justice

17 July · Rome Statute system / intergovernmental international-criminal-justice observance established by States Parties; public treatment remains neutral and non-advisory.

At the 2010 Review Conference of the Rome Statute, States Parties adopted the Kampala Declaration and decided to celebrate July 17 as the Day of International Criminal Justice because July…

Source-backedFixed AnnualIn-depth guide

U Tirot Sing Day / Death Anniversary of U Tirot Sing

17 July · Meghalaya / recurring 17 July state holiday and remembrance of U Tirot Sing

Meghalaya government holiday records place the Death Anniversary of U Tirot Sing on 17 July in consecutive years, and Raj Bhavan Meghalaya identifies 17 July 2025 as his 190th death anniver…

Source-backedFixed AnnualIn-depth guide

World Emoji Day

17 July annually · Emojipedia / global organizer-led observance

Emojipedia founder Jeremy Burge says he created World Emoji Day in 2014; current Emojipedia material keeps the annual date on July 17 and identifies the present Zedge stewardship layer.

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 →