Today is Christmas Eve by the old calendar, and is still celebrated by millions of people around the world, especially in Eastern Europe.
The 6th of January is also the date of the beginning of Koliada, an ancient Slavic winter festival that predates Christianity. The festival is now incorporated into Christmas festivities.
Koliada in the Mogilev region of Belarus at Christmastime in 1903.
The festival in Lviv, Ukraine.
25th December 1914: British and German officers pose for a photograph in No-Man’s Land during the famous unofficial Christmas truce in the first year of World War One.
For one day soldiers put down their weapons and celebrated the holiday with their enemies.
The British officers pictured here are from the Northumberland Hussars, 7th Division, Bridoux-Rouge Banc Sector.
Bethlehem. 25th December 1898: A man and a woman recreate the approach of Mary and Joseph to Bethlehem. At the time the city was ruled by the Ottoman Empire.
Christmas Morning (1885) by British painter Charles William Mansel Lewis