5 ms·

Sorted: 1582-10-04 ES Spain 1582-10-04 IT Italy 1582-10-04 PL Poland 1582-10-04 PT Portugal 1582-12-09 FR France 1582-12-14 BE Belgium

by mafribe 10y ago

Sorted: 1582-10-04 ES Spain 1582-10-04 IT Italy 1582-10-04 PL Poland 1582-10-04 PT Portugal 1582-12-09 FR France 1582-12-14 BE Belgium 1582-12-14 LU Luxembourg 1582-12-14 NL Netherlands 1583-10-05 AT Austria 1584-01-06 CZ Czech Republic 1587-10-21 HU Hungary 1655-02-28 CH Switzerland 1700-02-18 DE Germany 1700-02-18 DK Denmark 1700-02-18 NO Norway 1700-11-16 IS Iceland 1752-09-02 AU Australia 1752-09-02 CA Canada 1752-09-02 GB United Kingdom 1752-09-02 US United States 1753-02-17 FI Finland 1753-02-17 SW Sweden 1911-12-18 CN China 1912-11-30 AL Albania 1916-03-18 BG Bulgaria 1918-01-31 RU Russia 1918-02-01 LI Lithuania 1918-02-01 LV Latvia 1918-12-18 JP Japan 1919-03-04 SI Slovenia 1919-03-04 YU Yugoslavia 1919-03-31 RO Romania 1924-03-09 GR Greece 1926-12-18 TR Turkey 9999-05-31 LN Latin

gutnor 10y ago
That is weird to see Belgium in there in 1582. That's the date the territories covered by present day country switched over ? There must be some interesting edge cases there.
- alricb 10y ago
  At that time, the current territories of Belgium, the Netherlands and Luxembourg were part of the Spanish Netherlands. (https://en.wikipedia.org/wiki/Spanish_Netherlands https://en.wikipedia.org/wiki/Spanish_Netherlands)
  - finid 10y ago
    Just a thought, but I wonder what that program would say about a place called the United States of America in another 50-75 years Maybe Mexico and Canada would not be listed, after both have been made part of the new USNA (United States of North America). Just a thought.
    - digi_owl 10y ago
      Makes me think of Shadowrun, where you have UCAS, CAS and Aztelan (to name but a few)...
  - pygy_ 10y ago
    I don't know the history of all Belgian territories, but the Prince-Bishopric of Liège was part of Germany, also known at the time the "Holy Roman Empire".
alricb 10y ago
This is a bit anachronistic, since Canada in 1752 was still part of France, depending on how you see it (Acadia had been in British hands since 1710). I also wonder what political entities are counted for Germany.
- astrodust 10y ago
  New France, technically, which at the time was a region spanning from Cape Breton through to New Orleans.
- ucaetano 10y ago
  For Germany it's the year the Protestant states of the Holy Roman Empire adopted it. The Catholic part had adopted it ~120 years before.
tomp 10y ago
Interesting that Slovenia and Yugoslavia are reported as separate countries (with suspiciously close switching dates). Technically, in 1919 neither country existed - what is now Slovenia was a constituent of Kingdom of Serbs, Croats and Slovenes, which was renamed to Kingdom of Yugoslavia in 1929.
- Aqwis 10y ago
  I wonder if Slovenia did really not switch before 1919. It was part of the same "country" as what are now Austria and the Czech Republic for hundreds for years before that, who according to the list switched in the 16th century. It seems unlikely that what is now Slovenia would use a different calendar than the rest of the Habsburg Monarchy/Austrian Empire for such a long time, particularly since there was no subdivision of the Empire that directly corresponds to modern Slovenia.
- mantas 10y ago
  It's interesting that Lithuania and Poland have different dates too. Poland and Lithuania were a union back in 1582 and the change was made throughout the Commonwealth. It was switched back during Russian occupation in 19th century though. Both in Lithuania and Poland switched to Gregorian again after WWI.
davidw 10y ago
I would put Italy first - I mean, Pope Gregory was born Ugo Boncompagni and he was presumably in Rome when the idea was proposed and enacted.
- digi_owl 10y ago
  heh, at the time the Italy we think of didn't really exist. https://upload.wikimedia.org/wikipedia/commons/4/46/Italy_1796_AD.png https://upload.wikimedia.org/wikipedia/commons/4/46/Italy_17... This was how it looked as late as 1796...
  - davidw 10y ago
    I figured they were all catholic so they'd have switched at the same time, but it looks like the Republic of Venice, at least, took a while to change to the new calendar, and March 1st "new year" celebrations are still celebrated in some areas: https://it.wikipedia.org/wiki/More_veneto https://it.wikipedia.org/wiki/More_veneto
blakeyrat 10y ago
... and now you know why the minimum DateTime value in SQL Server is Jan 1, 1753. It's the start of the first full year after the United States (colonies) transition to the Gregorian calendars. (And, BTW, if you do have a need for older dates, it's very troublesome to project the Gregorian calendar back before its adoption-- use the Julian day count method instead. It's goofy but well-adopted and well-supported.)
- avar 10y ago
  Imagine all the poor programmers in the alternate universe where the US was similarly stubborn about its calendar system as it is now about its measurement system, with everyone having to convert between Julian & Gregorian on a daily basis.
  - Gudin 10y ago
    using java.util.Date O.O
bigger_cheese 10y ago
Very strange Australia is listed with 1752 as adoption date. The island was not colonized (by Europeans) until 1788 and did not become a country until 1901. I think the number was grandfathered in from British Commonwealth.

by mafribe 10y ago

gutnor 10y ago

That is weird to see Belgium in there in 1582. That's the date the territories covered by present day country switched over ? There must be some interesting edge cases there.

alricb 10y ago
At that time, the current territories of Belgium, the Netherlands and Luxembourg were part of the Spanish Netherlands. (https://en.wikipedia.org/wiki/Spanish_Netherlands https://en.wikipedia.org/wiki/Spanish_Netherlands)
- finid 10y ago
  Just a thought, but I wonder what that program would say about a place called the United States of America in another 50-75 years Maybe Mexico and Canada would not be listed, after both have been made part of the new USNA (United States of North America). Just a thought.
  - digi_owl 10y ago
    Makes me think of Shadowrun, where you have UCAS, CAS and Aztelan (to name but a few)...
- pygy_ 10y ago
  I don't know the history of all Belgian territories, but the Prince-Bishopric of Liège was part of Germany, also known at the time the "Holy Roman Empire".

alricb 10y ago

This is a bit anachronistic, since Canada in 1752 was still part of France, depending on how you see it (Acadia had been in British hands since 1710). I also wonder what political entities are counted for Germany.

astrodust 10y ago
New France, technically, which at the time was a region spanning from Cape Breton through to New Orleans.
ucaetano 10y ago
For Germany it's the year the Protestant states of the Holy Roman Empire adopted it. The Catholic part had adopted it ~120 years before.

tomp 10y ago

Interesting that Slovenia and Yugoslavia are reported as separate countries (with suspiciously close switching dates). Technically, in 1919 neither country existed - what is now Slovenia was a constituent of Kingdom of Serbs, Croats and Slovenes, which was renamed to Kingdom of Yugoslavia in 1929.

Aqwis 10y ago
I wonder if Slovenia did really not switch before 1919. It was part of the same "country" as what are now Austria and the Czech Republic for hundreds for years before that, who according to the list switched in the 16th century. It seems unlikely that what is now Slovenia would use a different calendar than the rest of the Habsburg Monarchy/Austrian Empire for such a long time, particularly since there was no subdivision of the Empire that directly corresponds to modern Slovenia.
mantas 10y ago
It's interesting that Lithuania and Poland have different dates too. Poland and Lithuania were a union back in 1582 and the change was made throughout the Commonwealth. It was switched back during Russian occupation in 19th century though. Both in Lithuania and Poland switched to Gregorian again after WWI.

davidw 10y ago

I would put Italy first - I mean, Pope Gregory was born Ugo Boncompagni and he was presumably in Rome when the idea was proposed and enacted.

digi_owl 10y ago
heh, at the time the Italy we think of didn't really exist. https://upload.wikimedia.org/wikipedia/commons/4/46/Italy_1796_AD.png https://upload.wikimedia.org/wikipedia/commons/4/46/Italy_17... This was how it looked as late as 1796...
- davidw 10y ago
  I figured they were all catholic so they'd have switched at the same time, but it looks like the Republic of Venice, at least, took a while to change to the new calendar, and March 1st "new year" celebrations are still celebrated in some areas: https://it.wikipedia.org/wiki/More_veneto https://it.wikipedia.org/wiki/More_veneto

blakeyrat 10y ago

... and now you know why the minimum DateTime value in SQL Server is Jan 1, 1753. It's the start of the first full year after the United States (colonies) transition to the Gregorian calendars. (And, BTW, if you do have a need for older dates, it's very troublesome to project the Gregorian calendar back before its adoption-- use the Julian day count method instead. It's goofy but well-adopted and well-supported.)

avar 10y ago
Imagine all the poor programmers in the alternate universe where the US was similarly stubborn about its calendar system as it is now about its measurement system, with everyone having to convert between Julian & Gregorian on a daily basis.
- Gudin 10y ago
  using java.util.Date O.O

bigger_cheese 10y ago

Very strange Australia is listed with 1752 as adoption date. The island was not colonized (by Europeans) until 1788 and did not become a country until 1901. I think the number was grandfathered in from British Commonwealth.