# Famous Dates Across 8 Calendars (and Why Your Hijri Age Is Higher)

> 9 world-famous dates — Moon landing to Berlin Wall's fall — shown in 8 calendars, plus why a lunar Hijri age runs about a year ahead. 2026.

**Dataset:** 9 dates · 2026 · Free to reuse under CC BY 4.0 — please credit YouCalc with a link.

## Key findings

- **Notable:** 8 calendars
- **Span:** 409 years
- **Drift:** 32.6 years

## Get the data

- [Download the data (CSV)](https://youcalc.com/data/studies/famous-dates-across-8-calendars.csv)
- [Full interactive study](https://youcalc.com/en/studies/famous-dates-across-8-calendars/)