Here's a festive one.The "Twelve Days of Christmas" was originally written to help Catholic children in England remember different articles of faith during the persecution by Protestant Monarchs.The "true love" represented God and the gifts all different ideas:

-The "Partridge in a pear tree" was Christ.
-2 Turtle Doves=The old and New Testaments
-3 French Hens=Faith,Hope and Charity-the Theological Virtues
-4 Calling Birds=The Four Gospels and/or the Four Evangelists
-5 Golden Rings=The first five books of the Old Testament,the "Pentateuch",which relays the history of man's fall from grace.
-6 Geese A-Laying=The 6 days of Creation
-7 Swans A-Swimming=The seven gifts of the Holy Spirit,the seven sacraments
-8 Maids A-Milking=The eight beatitudes
-9 Ladies Dancing=The nine fruits of the Holy Spirit
-10 Lords A-Leaping=The Ten Commandments
-11 Pipers Piping=The eleven faithful apostles
-12 Drummers Druming=The twelve points of doctrine in the Apostle's Creed

Commenting on this,Dr.Paisley said it was a "Papist plot to take over the world".(Note-may not be true)