Ukraine says it's taken out 5 precious Russian warplanes in 3 days, celebrating with a jubilant 'Merry Christmas!' By Mia Jankowicz Nicola Marfisi/AGF/Universal Images Group via Getty Images ...

The Ukrainian people, for the first time, are celebrating Christmas on Dec. 25 this year, as the war-torn country continues to distance itself from Russia and embraces traditions of the West. The s… ...

Most eastern Christian churches use the Julian calendar, in which Christmas falls on Jan. 7, rather than the Gregorian calendar used in everyday life and by Western churches. Separately, Ukraine's ...