Christmas Day in the Roman Martyrology (Prayed in Choir at Prime)

The Twenty-Fifth Day of December

"In the 5199th year of the creation of the world, from the time when God in the beginning created the heaven and earth; the 2957th year after the flood; the 2015th year from the birth of Abraham; the 1510th year from Moses; and the going forth of the people of Israel from Egypt; the 1032nd year from the anointing of David King: in the 65th week according to the prophecy of Daniel; in the 194th Olympiad; the 752nd year from the foundation of the City of Rome; the 42nd year of the rule of Octavian Augustus, all the earth being at peace, Jesus Christ, the Eternal God, and the Son of the Eternal Father, desirous to sanctify the world by his most merciful coming, being conceived by the Holy Spirit, nine months after his conception was born in Bethlehem of Juda, made Man of the Virgin Mary.  The Nativity of our Lord Jesus Christ according to the Flesh."

-Martyrologium Romanum