In the Christian religion,why were ashes originally sprinkled on the top of people's heads on Ash Wednesday instead of on the forehead?
This site gives the history of the use of ashes on Ash Wednesday.
http://www.wf-f.org/AshWed.html#anchor2360581
http://www.americancatholic.org/Newsletters/CU/ac0204.asp
Thank you Gurublue!