Beginning in 1582, the Gregorian calendar replaced the Julian in Roman Catholic countries.
This change was implemented subsequently in Protestant and Orthodox countries, usually at much later dates.
Some more modern sources, often more academic ones, also use the "1661/62" style for the period between 1 January and 25 March for years before the introduction of the Gregorian calendar in England. and the British Calendar (New Style) Act 1750, Ireland, Great Britain and the British Empire (including much of what is now the eastern part of the United States) adopted the Gregorian calendar in 1752, by which time it was necessary to correct by 11 days.
Wednesday, 2 September 1752, was followed by Thursday, 14 September 1752.
In England and Wales, Ireland, and the British colonies, the change of the start of the year and the changeover from the Julian calendar occurred in 1752 under the Calendar (New Style) Act 1750. designation is particularly relevant for dates which fall between the start of the "historical year" (1 January) and the official start date, where different.
For example, William III of England arrived at Brixham in England on 5 November (Julian calendar), after setting sail from the Netherlands on 11 November (Gregorian calendar), in 1688.He will reprise his role as FBI agent Fox Mulder for the upcoming 11th season of The X-Files that will premiere on Fox in January 2018.This article is about the 18th-century changes in calendar conventions used by Great Britain and its colonies, together with a brief explanation of usage of the term in other contexts. S.) are terms sometimes used with dates to indicate that the calendar convention used at the time described is different from that in use at the time the document was being written.In Alaska, the change took place after the United States purchased Alaska from Russia.Friday, 6 October 1867 was followed by Friday, 18 October.