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1644 (MDCXLIV) was a leap year starting on Friday (dominical letter CB) of the Gregorian calendar and a leap year starting on Monday (dominical letter GF) of the Julian calendar, the 1644th year of the Common Era (CE) and Anno Domini (AD) designations, the 644th year of the 2nd millennium, the 44th year of the 17th century, and the 5th year of the 1640s decade. As of the start of 1644, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
Contents
January–June
July–December
Date unknown
January–March
April–June
July–September
October–December
Deaths
References
1644 Wikipedia(Text) CC BY-SA