The Galileo Project | Chronology | Gregorian Calendar https://galileo.library.rice.edu/chron/gregorian.html
and Sextillis, their present appellations having been bestowed in compliment to Julius
Dein Suchergebnis zum Thema: Julius Cäsar
The Galileo Project | Science | Copernican System https://galileo.library.rice.edu/sci/theories/copernican_system.html
Third, the calendar, instituted by Julius Caesar in 44 BCE was no longer accurate