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gptkb:Adoption_of_the_Gregorian_calendar
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October 4, 1582 (Julian) to October 15, 1582 (Gregorian) in initial countries
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gptkb:Adoption_of_the_Gregorian_calendar
|
February 14, 1918 (Julian) to February 14, 1918 (Gregorian) in Russia
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gptkb:Adoption_of_the_Gregorian_calendar
|
September 2, 1752 (Julian) to September 14, 1752 (Gregorian) in UK and colonies
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gptkb:Ethereum_Proof-of-Stake
|
2022-09-15
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gptkb:Adoption_of_the_Gregorian_calendar
|
March 1, 1923 (Julian) to March 14, 1923 (Gregorian) in Greece
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gptkb:Adoption_of_the_Gregorian_calendar
|
March 1, 1919 (Julian) to March 14, 1919 (Gregorian) in Romania
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