1294 - Pope Boniface VIII is elected, replacing St. Celestine V, who had resigned (Source)
Recommended sermons and podcasts:
Three Exhortations from Church History, by Matthew Trewella
Papel Schism and Decline of Empire, by Matt Marino
1818 - The first performance of "Silent Night" takes place in the church of St. Nikolaus in Oberndorf, Austria (Source)
Recommended sermons and podcasts:
Silent Night, by Dr. Jerry Bilkes [Text: Luke 2:1-10]
Silent Night, by BJU Students and Faculty
1914 - World War I: The "Christmas truce" begins (Source)
Recommended sermons and podcasts:
The Christmas Truce, by Dr. Peter Hammond
Recommended videos:
Snoopy and the Red Baron, by The Royal Guardsmen
Snoopy's Christmas Vs. the Red Baron, by The Royal Guardsmen