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Evergreen date guide

What is celebrated on August 13?

See the observances and verified observance-history milestones attached to August 13. 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.

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.

Reviewed depth

Other in-depth guides on August 13

Source-backedFixed AnnualIn-depth guide

International Left-Handers Day

13 August each year · International / Left-Handers Club awareness observance

The Left-Handers Club states that it launched International Left-Handers Day on 13 August 1992 and continues to identify August 13 as the annual observance date.

Source-backedFixed AnnualIn-depth guide

Women’s Day (Tunisia) / Fête de la Femme

13 August · Tunisia / public-sector holiday and women’s-rights commemoration associated with the Personal Status Code

The Tunisian government FAQ lists Fête de la Femme on 13 August among holidays granting leave to state/public-sector personnel and cites Decree No. 2011-317; Tunisia’s Ministry of Justice s…

Explore the mix

Topics represented on August 13

All topics →
Community, Causes & Advocacy 1Relationships & Family 1
2 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

International Left-Handers Day

13 August each year · International / Left-Handers Club awareness observance

The Left-Handers Club states that it launched International Left-Handers Day on 13 August 1992 and continues to identify August 13 as the annual observance date.

Source-backedFixed AnnualIn-depth guide

Women’s Day (Tunisia) / Fête de la Femme

13 August · Tunisia / public-sector holiday and women’s-rights commemoration associated with the Personal Status Code

The Tunisian government FAQ lists Fête de la Femme on 13 August among holidays granting leave to state/public-sector personnel and cites Decree No. 2011-317; Tunisia’s Ministry of Justice s…

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 →