Also known as Old Style, Christian calendar, old Western calendar, old Christian calendar
calendar introduced by Julius Caesar in 45 BC
The Julian calendar is a system for tracking days and months that Julius Caesar introduced in 45 BC to help organize the Roman Empire's timekeeping. It matters historically because it was widely used for over 1,600 years and laid the groundwork for the calendar system many people still use today.
AI-generated from the Wikipedia summary — may contain errors.
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The Tusculum portrait of Julius Caesar
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).