1994.
2011 was the last time and before that it was 2005.
Sunday
once Since answering that, Christmas was on a Sunday most recently in 2011 - which means that so far this century Christmas has been on Sunday twice (2005 and 2011).
Christmas was on a Monday in 1989, since then Christmas was on Sunday in 1994, 2000, 2005, 2011 and will be on a Sunday again in 2016.
2005
Sunday
Eve means "before" and naturally Christmas Eve is the day before Christmas.
2005. Christmas fell on Saturday recently in 2010 and it was on Sunday in 2005.
Advent (which means arrival) is the term given to the season before Christmas, and it always begins on the fourth Sunday before Christmas Day.
twice Christmas falls on Sunday in 2016 and 2022, and it skips Sunday in 2028.
the third sunday before christmas when they light the pink candle
2005, Not anymore as it was more recently on Sunday in 2011.