Holland switched to the Gregorian calendar

Date: 
January 1, 1583

In 1582, the Dutch province of Holland switched from the Julian calendar to the Gregorian calendar, as Pope Gregory XIII had decreed on February 24, 1582.

December 21, 1582, was a Tuesday. The following day was Saturday, January 1, 1583.

The other provinces did not make the switch until 1700.

Document: