In Britain, the Holy Days and Fasting Days Act of 1551, which has not yet been repealed, states that every citizen must attend a Christian church service on Christmas Day, and must not:

There must be a large number of Britons who break this law every year.  The law may have been intended to encourage humility by forcing even the wealthy to attend the church on foot, or perhaps it was simply to avoid the traffic and parking crush that universal attendance would otherwise have brought about.