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1609

year

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Wikidata facts

Instance of: common year starting and ending on Thursday
Part of: Gregorian calendar
Followed by: 1610
Follows: 1608

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Commons category: 1609
topic's main category: Category:1609
point in time: 1609-01-01
has list: list of state leaders in 1609
category for births in this time period: Category:1609 births
category for deaths in this time period: Category:1609 deaths

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Encyclopedic overview

April 9: The Twelve Years' Truce is signed by the Netherlands and Spain August 25: Galileo demonstrates his first telescope.

1609 (MDCIX) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1609th year of the Common Era (CE) and Anno Domini (AD) designations, the 609th year of the 2nd millennium, the 9th year of the 17th century, and the 10th and last year of the 1600s decade. As of the start of 1609, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.

Excerpted from Wikipedia’s “1609” article, available under the CC BY-SA 4.0 licence.

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