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Although it is over 400 years old, the Gregorian calendar was not so revered all over the world. That’s why various people adopted it very late. The list shows a selection of the introduction years.

Country

Year

France

1582 (1805)

Italy

1582 (1943)

Catholic Germany

1582

Spain / Portugal

1582

Holland

1583

Catholic Switzerland

1583

Austria

1584

Poland

1584

Hungary

1587

Duchy of Prussia

1610

Denmark

1699

Protestant Germany

1700

Country

Year

England / GB

1752

Sweden

1753

Japan

1873

Egypt

1875

Albania

1912

China

1912

Bulgaria

1917

Russia

1918 (1940)

Rumania

1919

Greece

1923

Turkey

1927

People’s Republic of China

1949

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