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The Longest Year in Human History (46 B.C.E.)

Historia Civilis · 7.4M views · 2019-04-24 · 27:13

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Overview

Historia Civilis tells the story of 46 BCE, the 445-day year in which Julius Caesar reformed the Roman calendar. It covers the political context, including the civil war, Cato and Cicero.

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Recommended as an entertaining and well-explained account of why our calendar looks the way it does.

Recommended by 4 HN people across 3 months · HN mentions 2021–2024

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What people said

hr0m · 2024-02 · Recommendation

Ha, a proof that by watching YouTube videos you learn something. This was covered by one of my favorite series on YouTube. Here is the particular video: [VIDEO]

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j-bos · 2024-02 · Recommendation

Historia Civilis has a great video explaining how Caeser used the longest year to his advantage in war: [VIDEO]

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comeonbro · 2022-09 · Recommendation

I didn't appreciate until recently that the calendar we live by today was personally designed by Julius Caesar. Like not by some forgotten technocrats incidentally during his time, but Julius Caesar himself as a subject matter expert, as a side-project. With consultation, certainly, but by his initiative, from long-standing engagement with the problem in one of his early jobs from long before he was a main character of the Roman story. Digestable and entertaining (fragment of a) video on the topic: [VIDEO]

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Sources

Video by Historia Civilis, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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