Sep 2, 2026Discover how Julius Caesar and astronomer Sosigenes introduced the leap year to align the calendar with the solar year.

Sep 2, 2026Discover how Julius Caesar and astronomer Sosigenes created the leap year to align the calendar with Earth's orbit in 45 BCE.

Aug 26, 2026Discover how Julius Caesar and astronomer Sosigenes created the leap year in 45 BCE to correct the Roman calendar and align it with the solar year.

Jul 20, 2026Discover why the Julian calendar is older and how the Gregorian calendar improved upon it for better accuracy.

Jul 14, 2026Discover why Julius Caesar changed the Roman calendar, introducing the Julian calendar with leap years to align with the solar year.

Jul 5, 2026Learn why the Julian calendar is considered inaccurate and how the Gregorian calendar corrected its errors for better alignment with the solar year.

Apr 28, 2026Discover how Julius Caesar transitioned from a 13-month lunar calendar to a 12-month solar calendar with the Julian calendar reform in 45 BCE.

Jan 21, 2026Explore the significance of 46 B.C., the longest year in history, and the reform of the Roman calendar by Julius Caesar.