Says The New Encyclopædia Britannica (1974): “Christmas, the festival of the birth of Jesus Christ, was established in connection with a fading of the expectation of Christ’s imminent return. ”
در « دایرة‌المعارف جدید بریتانیکا » (‏ ۱۹۷۴ ،‏ انگل‍ .‏ )‏