23rd December 1652 Resolved by Parliament. : ‘That no Observation shall be had of the five-and-twentieth day of December, commonly called Christmas-Day.’
This was one of several bans on Christmas that Parliament introduced. (Parliament not Cromwell). It banned Christmas Services and ordered that shops be kept open, but it was, at least, inside people’s homes, largely unenforceable.
The logic for banning it was that Christmas is not mentioned in the Bible and was thus a Catholic superstition.