A few bits of information you may not already know:
Just as Andrew was the first of the Apostles, so his feast is taken in the West to be the beginning of the Church Year. (Eastern Christians begin their Church Year on 1 September.) The First Sunday of Advent is defined to be the Sunday on or nearest his feast (although it could equivalently be defined as the fourth Sunday before Christmas Day).
Several centuries after the death of Andrew, some of his relics were brought by a missionary named Rule to Scotland, to a place then known as Fife, but now known as St. Andrew's, and best known as the site of a world-famous golf course and club. For this reason, Andrew is the patron of Scotland.
-- James Kiefer