jan 1, 1752 - in 1752, where Wednesday 2 September 1752 was immediately followed by Thursday 14 September 1752; they were joined by the last Protestant holdout Sweden, on 1 March 1753. The Gregorian calendar was not accepted in eastern Christendom for several hundred years, and then only as the civil calendar.
Added to timeline:
Date:
jan 1, 1752
Now
~ 274 years ago