This calendar marks 52 yearly anniversaries, from “Christiaan Huygens Born (1629)” to “Vote to Phase Out the Leap Second (2022)”. Each event appears on its date every year in your calendar app, so you can turn the day into a short history lesson.
How it works: after buying, you get an .ics file that works with Google Calendar, Apple Calendar and Outlook.
Sample events (preview)
- Nov 14, 2026 — Thomas Mudge Dies (1794)
- Nov 18, 2026 — The Day of Two Noons: Railroad Standard Time (1883)
- Nov 18, 2026 — Vote to Phase Out the Leap Second (2022)
- Nov 20, 2026 — George Graham Dies (1751)
- Nov 20, 2026 — Thomas Tompion Dies (1713)
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