History and DECwindows Calendar

  If you read the topics concerning the political and religious
  acceptance of the Gregorian calendar, you will see that
  there is a problem:  there are many dates for the conversion
  from the Julian to the Gregorian calendar.  For example,
  the British (and therefore the Americans) converted in
  September 1752, so British and American Calendar users
  might expect Calendar to show September 2, 1752, to be
  followed by September 14, 1752.  However, a Russian user
  would expect to see this jump between January 31, 1918, and
  February 14, 1918.

  The DECwindows Calendar conforms to the date of the
  original decree, therefore no days have been lost since Friday,
  October 15, 1582, nor since the beginning of DECwindows
  Calendar time:  January 1, 1600.  Thus for everyone except
  for users from the majority of the Catholic European
  countries, which all converted before this date, there will
  appear to be an "error" in Calendar, where the conversion
  actually took place.  This generalization was felt to be
  acceptable for an application not specifically designed for
  historians.

  Additional topics:

  *   Brief History of the Gregorian Calendar

  *   Julian Period

  *   Political Acceptance in Europe

  *   Political Acceptance World Wide

  *   Religious Acceptance Worldwide

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