= == Julian Calendar changed to Gregorian Calendar
*In the Western world time began to be reckoned or dated before and after the birth of Jesus Christ.
**18 Feb 1753 became 1 March 1753
=== Fixed and Movable Feast Days ===
*Pagan dates began to be mixed with religious dates
**Advent Sundays were the four Sundays immediately preceding Christmas
=== Finding the Calendar ===
On this wiki, in the search field, type in the country you are interested in, then the words "movable feast days", followed by the year. For example, "Denmark Movable Feast Days 1712". You will see a list of all of the feast days and their dates for that particular year.