This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
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HackerNoon
hackernoon.com
did:plc:kbzotn4ippvrqllcitxglgm2
A mathematically correct date algorithm moves the coronation of Charlemagne by one day. This is the story of how software meets the messy reality of history. #softwareengineering
https://hackernoon.com/the-emperors-monday-why-history-is-the-ultimate-stress-test-for-your-code
2026-03-09T13:24:20.151Z