1 - 1st Christmas, according to calendar-maker Dionysus Exiguus
337 - Earliest possible date that Christmas was celebrated on Dec 25th
352 - 1st definite date Christmas was celebrated on Dec 25th
597 - England adopts Julian calendar
1492 - Christopher Columbus' flagship the Santa María runs aground and sinks on Hispaniola
1642 - Isaac Newton, Woolsthorpe-by-Colsterworth, England, physicist, mathematician; astronomer (Gravity, Laws of Motion), (d. 1727)
1717 - Floods ravage Dutch coast provinces, thousands killed
1741 - Astronomer Anders Celsius introduces Centigrade temperature scale
1642 1642 - Isaac Newton, Woolsthorpe-by-Colsterworth, England, astronomer, physicist, mathematician; (Gravity, Laws of Motion), (d. 1727)
CHRISTMAS for Catholic, Protestant and Orthodox religion that use the Gregorian calendar.
