About Anniversary DB

What is Anniversary DB?

Anniversary DB is a searchable database of anniversaries and commemorative days from Japan and around the world.

It covers everything from national holidays and goroawase (wordplay-based) anniversaries to food days and days commemorating historical events.

Whether you're curious about "what day is today," planning an event, or looking for content ideas, Anniversary DB has something for you.

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Browse by Month/Day

Easily find anniversaries for any month or day

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Keyword Search

Search by anniversary name or description

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National holidays: New Year's Day, Coming of Age Day, National Foundation Day, and more
World observances: International days designated by the United Nations
Historical anniversaries: Days commemorating significant historical events
Food days: Days promoting various foods and dishes
Industry anniversaries: Awareness and promotional days established by industry groups
Wordplay anniversaries: Days established through goroawase (Japanese number wordplay)
Seasonal events: Traditional events such as Tanabata, Obon, and Setsubun

The information on this site is compiled from multiple sources. The origins and dates of some anniversaries may vary depending on the source.

For important purposes, please verify information with official sources or the organizations that established the anniversary.

See our disclaimer for more details.

Sources: We give priority to official information from the organizations and companies that established each anniversary, supplemented by government and international organization materials and news reports. Famous birthdays and historical events are based on Wikipedia (CC BY-SA 4.0) and Wikidata.
Fact-checking: The founder, year of establishment, origin of the date, names and figures are checked against sources one by one before publication. In September–October 2026 we reviewed all existing articles for all 12 months and corrected errors. Birth dates of famous people are cross-checked with Wikidata.
Use of AI: We use AI to draft and check articles. Anything we cannot confirm with a source is either marked as a commonly held view or left out.
Corrections: Please report errors via our contact form. We will review and correct them, and update the article's "Last updated" date.

If you notice a missing or incorrect anniversary, or would like to suggest a new one, please get in touch via our contact form.

We aim to keep improving this database based on feedback from our users.

Anniversary DB is operated with the goal of providing information about anniversaries and bringing new discoveries and enjoyment to everyday life.