1644

Summary

1644 is a calendar year^[1]. 1644 draws 776 Wikipedia views per month (calendar_year category, ranking #155 of 522).^[2]

Key Facts

• 1644's instance of is recorded as calendar year^[3].
• 1644's instance of is recorded as leap year starting on Friday and ending on Saturday^[4].
• 1644 followed 1643^[5].
• 1644 was followed by 1645^[6].
• 1644 is part of 1640s^[7].
• 1644 is part of Gregorian calendar^[8].
• 1644's Commons category is recorded as 1644^[9].
• 1644 occurred on January 1, 1644^[10].
• 1644's topic's main category is recorded as Category:1644^[11].
• 1644's has list is recorded as list of state leaders in 1644^[12].
• 1644's permanent duplicated item is recorded as Q31802229^[13].
• 1644's category for births in this time period is recorded as Category:1644 births^[14].
• 1644's category for deaths in this time period is recorded as Category:1644 deaths^[15].

Body

Definition and Type

Recorded instance of include calendar year^[3] and leap year starting on Friday and ending on Saturday^[4].

Use and Application

Part of include 1640s^[7], a decade^[16] and Gregorian calendar^[8], an arithmetic calendar^[17], founded in 1582^[18].

Why It Matters

1644 draws 776 Wikipedia views per month (calendar_year category, ranking #155 of 522).^[2] 1644 has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[19] 1644 is known by 8 alternative names across languages and contexts.^[20]