Question: Who decided that the date for Christmas would be December 25?
Bonus question: Which of the US states was the last to declare an official holiday for Christmas?
Answer: Pope Julius I
Bonus Answer: Oklahoma in 1907
Read More
http://www.whychristmas.com/customs/25th.shtml
https://www.reference.com/holidays-celebrations/u-s-state-last-declare-christmas-legal-holiday-28c0c5413fd70f03