Life Timeline

See major events in Japan and around the world alongside how old you were when they happened.

Your input is not sent to a server. All processing is performed locally in your browser.

Build a timeline from your birthday

Dates from January 1, 1900 through today are supported.

How to use

Enter your date of birth in the Gregorian calendar.
Select Build my timeline.
Combine Major events / More detail with the category buttons to choose what is shown.

What is a life timeline?

This tool places selected events between your birth date and today beside your exact age on each date. The focus is not an exhaustive history, but a clear answer to “How old was I then?”

How events are selected

The static collection covers widely recorded turning points in Japan, world affairs, science and technology, culture and society, and sports. Major events is the concise default; More detail also includes memorable contextual milestones. It does not include every news story or future scheduled events.

How age is calculated

Age is calculated from the complete event date, including whether the event occurred before or after your birthday that year. It is not simply the event year minus the birth year.

Sources

Each Source link leads to a reference from a public body, the organization involved, an international institution, a museum, or another established reference. Descriptions are short original summaries.

Privacy

Your date of birth is not sent anywhere. Age calculations and filtering run in your browser, and no external news API is used.

FAQ

Does this show every news event?

No. It uses a curated static collection of major events that represent their times.

Does it fetch the latest news automatically?

No. It does not use an external news API.

Why are these events included?

They focus on major turning points in Japan, the world, science and technology, culture, and sports.

Is my birth date sent to a server?

No. Input and calculations stay entirely in your browser.