Julian to Gregorian Calendars
Dates of Changes from Julian to Gregorian Calendars
Name of Country This date on became this date on Year
or State Julian Calendar Gregorian Calendar
==================================================================
Austria 7 Jan. 17 Jan. 1584
Bohemia 7 Jan. 17 Jan. 1584
Danzig (free city) Oct. - Dec. Oct. - Dec. 1582
Denmark 19 Feb. 1 Mar. 1700
England and British possessions 3 Sep. 14 Sep. 1752
Finland (then Sweedish province) 18 Feb. 1 Mar. 1753
France 10 Dec. 20 Dec. 1582
Germany
(a) (Catholic states)
Bishopric of Augsburg (Bavaria) 14 Feb. 24 Feb. 1583
Silesia & Lausitz 13 Jan. 23 Jan. 1584
Westphalia 2 July 12 July 1584
Bishopric of Paderborn (Westph.) 17 June 27 June 1585
Duchy of Prussia 23 Aug. 2 Sep. 1612
Pfalz-Neuburg 14 Dec. 24 Dec. 1615
(b) Protestant Germany 19 Feb. 1 Mar. 1700
Greece 1923
Hungary 1587
Italy 5 Oct. 15 Oct. 1582
Lorraine Oct. - Dec. Oct. - Dec. 1582
Netherlands
(a) Catholic portion 15 Dec. 25 Dec. 1582
(b) Protestant portion 1700
Norway 19 Feb. 1 Mar. 1700
Poland 5 Oct. 15 Oct. 1582
Portugal 5 Oct. 15 Oct. 1582
Russia 1918
Spain 5 Oct. 15 Oct. 1582
Sweden 18 Feb. 1 Mar. 1753
Switzerland
(a) Catholic Cantons 1583
(b) Protestant Cantons 1701
except:
St. Gallen 1724
Blarus, Appenzell 1798
Graubuenden 1798
Name of Country This date on became this date on Year
or State Julian Calendar Gregorian Calendar
==================================================================
Austria 7 Jan. 17 Jan. 1584
Bohemia 7 Jan. 17 Jan. 1584
Danzig (free city) Oct. - Dec. Oct. - Dec. 1582
Denmark 19 Feb. 1 Mar. 1700
England and British possessions 3 Sep. 14 Sep. 1752
Finland (then Sweedish province) 18 Feb. 1 Mar. 1753
France 10 Dec. 20 Dec. 1582
Germany
(a) (Catholic states)
Bishopric of Augsburg (Bavaria) 14 Feb. 24 Feb. 1583
Silesia & Lausitz 13 Jan. 23 Jan. 1584
Westphalia 2 July 12 July 1584
Bishopric of Paderborn (Westph.) 17 June 27 June 1585
Duchy of Prussia 23 Aug. 2 Sep. 1612
Pfalz-Neuburg 14 Dec. 24 Dec. 1615
(b) Protestant Germany 19 Feb. 1 Mar. 1700
Greece 1923
Hungary 1587
Italy 5 Oct. 15 Oct. 1582
Lorraine Oct. - Dec. Oct. - Dec. 1582
Netherlands
(a) Catholic portion 15 Dec. 25 Dec. 1582
(b) Protestant portion 1700
Norway 19 Feb. 1 Mar. 1700
Poland 5 Oct. 15 Oct. 1582
Portugal 5 Oct. 15 Oct. 1582
Russia 1918
Spain 5 Oct. 15 Oct. 1582
Sweden 18 Feb. 1 Mar. 1753
Switzerland
(a) Catholic Cantons 1583
(b) Protestant Cantons 1701
except:
St. Gallen 1724
Blarus, Appenzell 1798
Graubuenden 1798