History states that Chosroes, king of Persia, carried away the relic of the True Cross to Persia; but Heraclius, ascending the throne of Judea, defeated Chosroes and himself carried the holy Cross to the Basilica on Calvary. A.D. 629. (From a 1957 edition of the Roman Missal.)
The Introit: Gal. 6:14 & Ps. 66:2.
The Collect: O God, who didst will that Thy Son should suffer for us upon the Tree of the Cross, that Thou mighest drive far from us the power of the enemy, grant unto us, Thy servants, that as we have known on earth the mysteries of our redemption, so may be accounted worthy to receive the fruits thereof in heaven; through the same Jesus Christ, etc. Amen.
The Epistle: Phil. 2:5-11.
The Gradual: Phil. 2:8,9.
The Gospel: John 12:31-36.
Office Hymn: TLH 168, SBH 75.