The Feast of the Epiphany of our Lord Jesus Christ, Ist Class

Today is the Feast of the Epiphany or Theophany, the "Showing Forth" to the Gentile world, in the persons of the Three Kings, of our Lord and Saviour, Jesus Christ.

The Collect from the Roman Breviary:

O God, who by the leading of a star didst manifest thine only-begotten Son to the Gentiles : mercifully grant, that we, which know thee now by faith, may after this life have the fruition of thy glorious Godhead. Through the same.
R. Amen.

The Proper Lessons may be found here.

The Propers of Holy Mass for the Feast may be found here.

The Aricle on the Feast from the Catholic Encyclopædia.

From the Golden Legend of Bl. Jacobus de Voragine.

From Magnificat.

From Wikipedia.