The most important of Caesar's reforms was to the calendar, which saw the abolition of the traditional republican lunisolar calendar and its replacement with a solar calendar now called the Julian calendar.

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Wikipedia contributors. (2024, April 1). Julius Caesar. In Wikipedia, The Free Encyclopedia. Retrieved April 3, 2024, from https://en.wikipedia.org/w/index.php?title=Julius_Caesar&oldid=1216731315

Julius Caesar (Wikipedia) Gaius Julius Caesar (/ˈsiːzər/; Latin: [ˈɡaːiʊs ˈjuːliʊs ˈkae̯sar]; 12 July 100 BC – 15 March 44 BC) was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, and subsequently became dictator from 49 BC until his assassination in 44 BC. He played a critical role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire.