CS Knowledge Base

1639 (MDCXXXIX) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1639th year of the Common Era (CE) and Anno Domini (AD) designations, the 639th year of the 2nd millennium, the 39th year of the 17th century, and the 10th and last year of the 1630s decade. As of the start of 1639, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.

• January 14 – Connecticut's first constitution, the "Fundamental Orders," is adopted.
• January 23 – Francisco Maldonado de Silva, Peruvian Jewish poet, executed by burning at the stake
• March 13 – Harvard University is named for a clergyman named John Harvard.
• November 24 – Jeremiah Horrocks observes the transit of Venus.
• Charles I starts the first of the Bishops Wars against Scotland.
• The Casiquiare canal, a river forming a natural canal between the Amazon River and Orinoco River basins, is first encountered by Europeans.
• The Barbados House of Assembly meets for the first time.
• The first printing press in North America is started in Cambridge, Massachusetts.
• Russian Cossacks advance over Urals to Pacific, to Okhotsk.
• Montreal first settled.