page_title: 1644
section_title: Births
hierarchical_section_title: 1644 / Births
context_page_description: 1644 was a leap year starting on Friday of the Gregorian calendar and a leap year starting on Monday of the Julian calendar, the 1644th year of the Common Era and Anno Domini 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.
  It is one of eight years to contain each Roman numeral once.
caption: Henrietta of England
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