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Today in legal history...

Thursday, October 15, 2009

Gregorian calendar implemented
JURIST Staff at 12:01 AM ET

On October 15, 1582, the Gregorian Calendar was implemented, following a papal bull issued by Pope Gregory XIII. Spain, Portugal, Poland, and Italy were the only nations to adopt the calendar on this day, but it spread over the succeeding centuries to become the international standard today.

Learn more
about the history of the Gregorian calendar and view its dates of adoption throughout the world.

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