To do so, they decided to base it on the Julian calendar, a solar calendar which Roman ruler Julius Caesar had adopted in 46 B.C. on the advice of Egyptian astronomer Sosigenes in an attempt to ...

Russians in the temporarily occupied territories of Ukraine are trying to suppress the celebration of Christmas according to ...

Ethiopians follow the ancient Julian calendar, and like many other Orthodox Christians they celebrate Christmas on 7 January (or according to the Ge'ez Ethiopian calendar, the 29th day of Tahsas).