Year 1669 (MDCLXIX) was a common year starting on Tuesday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Friday of the 10-day slower Julian calendar).

Events of 1669

January - June

• March 11 - Mount Etna erupts, destroying the town of Nicolosi and killing 20,000 people.
• May 31 - Samuel Pepys stops writing his diary.
• June 22 - Roux de Marsilly, accused of plotting the assassination of King Louis XIV of France, is publicly tortured in Paris.
• June 25 - Francis of Vendome, Duke of Beaufort, disappears during a battle in the Siege of Candia in Crete.

July - December

• July - The Hanseatic League, after 400 years of operation, holds its last official meeting.
• September 6 - Francesco Morosini, capitano generale of the Venetian forces in the Siege of Candia, surrenders to the Ottomans.
• September 23 - Leopold I Habsburg grants the status and privileges of a university to the Jesuit Academy in Zagreb, the precursor to the modern University of Zagreb.

Undated

• Okaya & Co., Ltd., is founded in Nagoya, Japan.
• The Mogul Emperor Aurangzeb destroys several Hindu temples and bans the whole religion, so Hindus rebel.
• Antonio Stradivari makes his first violin.
• Famine in Bengal kills 3 million people.
• Phosphorus is discovered by Hennig Brand.
• The Chinese herbal medicine company Tongrentang, or ??? in Chinese, is established.
• Turkish units burn the eastern part of Kolárovo.
• Chinese Kangxi Emperor allows coastal residents deported in 1662 to return home.
• Jan Swammerdam publishes his Algemeene Verhandeling van de bloedeloose dierkens, a groundbreaking work in microscopy as well as entomology

Births

• January - Susanna Wesley, mother of the Wesley brothers (d. 1742)
• April 3 - Jean-Baptiste Forqueray, French musician (d. 1782)
• May 26 - Sébastien Vaillant, French botanist (d. 1722)
• July 30 - Eudoxia Lopukhina, first wife of Peter I of Russia (d. 1731)
• August 27 - Anne Marie of Orléans, Queen of Savoy and Sardinia (d. 1728)
• August 29 - John Anstis, English herald (d. 1744)
• October 19 - Count Wirich Philipp von Daun, Austrian military leader (d. 1741)
• date unknown - Jiang Tingxi, Chinese painter (d. 1732)
• probable - Peter King, 1st Baron King, Lord Chancellor of England (d. 1734)

Deaths

• February 23 - Leo Aitzema, Dutch historian and statesman (b. 1600)
• March 10 - John Denham, English poet (b. 1615)
• May 14 - Georges de Scudéry, French writer (b. 1601)
• May 16 - Pietro da Cortona, Italian artist (b. 1596)
• June 25 - François de Vendôme, duc de Beaufort, French soldier (b. 1616)
• September 10 - Henrietta Maria, queen of Charles I of England (b. 1609)
• October 4 - Rembrandt Harmenszoon van Rijn, Dutch painter (b. 1606)
• October 14 - Antonio Cesti, Italian composer (b. 1623)
• October 24 - William Prynne, English Puritan leader (b. 1600)
• November 4 - Johannes Cocceius, Dutch theologian (b. 1603)
• December 9 - Pope Clement IX (b. 1600)
• December 16 - Nathaniel Fiennes, English politician (b. c. 1608)

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