1665

Millennium:	2nd millennium
Centuries:	16th century 17th century 18th century
Decades:	1640s 1650s 1660s 1670s 1680s
Years:	1662 1663 1664 1665 1666 1667 1668

1665 in various calendars

Gregorian calendar	1665 MDCLXV
Ab urbe condita	2418
Armenian calendar	1114 ԹՎ ՌՃԺԴ
Assyrian calendar	6415
Balinese saka calendar	1586–1587
Bengali calendar	1072
Berber calendar	2615
English Regnal year	16 Cha. 2 – 17 Cha. 2
Buddhist calendar	2209
Burmese calendar	1027
Byzantine calendar	7173–7174
Chinese calendar	甲辰年 (Wood Dragon) 4362 or 4155     — to — 乙巳年 (Wood Snake) 4363 or 4156
Coptic calendar	1381–1382
Discordian calendar	2831
Ethiopian calendar	1657–1658
Hebrew calendar	5425–5426
Hindu calendars
- Vikram Samvat	1721–1722
- Shaka Samvat	1586–1587
- Kali Yuga	4765–4766
Holocene calendar	11665
Igbo calendar	665–666
Iranian calendar	1043–1044
Islamic calendar	1075–1076
Japanese calendar	Kanbun 5 (寛文５年)
Javanese calendar	1587–1588
Julian calendar	Gregorian minus 10 days
Korean calendar	3998
Minguo calendar	247 before ROC 民前247年
Nanakshahi calendar	197
Thai solar calendar	2207–2208
Tibetan calendar	阳木龙年 (male Wood-Dragon) 1791 or 1410 or 638     — to — 阴木蛇年 (female Wood-Snake) 1792 or 1411 or 639

Year 1665 (MDCLXV) was a common year starting on Thursday (link will display the full calendar) of the Gregorian calendar and a common year starting on Sunday of the 10-day slower Julian calendar.

Events

January–June

• January 5 – The Journal des sçavans begins publication in France, the first scientific journal.
• March 4 – The Second Anglo-Dutch War begins.
• April 10 – The Philosophical Transactions of the Royal Society begins publication, the first scientific journal in English.
• 11 March - A new legal code is approved for the Dutch and English towns of New York guaranteeing all Protestants the right to continue their religious observances unhindered.
• March 16 – Bucharest allows Jews to settle in the city in exchange for an annual tax of 16 guilders.
• April 12 – Margaret Porteous is the first person recorded to die in the Great Plague of London. This last major outbreak of Bubonic plague in the British Isles was possibly introduced by Dutch prisoners of war. Two-thirds of Londoners leave the city, but over 68,000 die. Plague spreads to Derby.
• June 12 – England installs a municipal government in New York City (the former Dutch settlement of New Amsterdam).
• June 13 (June 3 O.S.) – Second Anglo-Dutch War: English naval victory at the Battle of Lowestoft under James Stuart, Duke of York.
• June 30 – King Charles II of England issues a second charter for the Province of Carolina, which clarifies and expands the borders of the Lords Proprietors' tracts.

July–December

• July 3 – The first documented case of cyclopia is found in a horse.
• July 7 – King Charles II of England leaves London with his entourage, fleeing the Great Plague. He moves his court to Salisbury, then Exeter.
• August 2 – Second Anglo-Dutch War: Dutch naval victory at the Battle of Vågen.
• September – Robert Hooke's Micrographia published in London, first applying the term 'cell' to plant tissue, which he discovered first in cork, then in living organisms, using a microscope.
• September 17 – Charles II of Spain becomes King while not yet four years old.
• October 5 – The University of Kiel is founded.
• October 29 – Battle of Mbwila: Portuguese forces defeat and kill King António I of Kongo.
• November 7 – The London Gazette, the oldest surviving journal, is first published.

Date unknown

• Colonisation of Réunion begins with the French East India Company sending twenty settlers.
• The Great fire of Newport, Shropshire England.
• Molière publishes L'Amour médecin.
• John Bunyan publishes The Resurrection.
• Joan Blaeu completes publication of his Atlas Maior (Theatrum Orbis Terrarum) in Amsterdam.
• Ye Bare & Ye Cubbe, the first play in English in the American colonies, is performed in Pungoteague, Virginia.
• The English poet John Milton popularizes the Chinese sailing carriage in a famous poem; this peculiar Chinese invention was first written of in the West by Abraham Ortelius in his atlas of 1584.

Births

• February 6 – Anne, Queen of Great Britain (d. 1714)
• February 12 – Rudolf Jakob Camerarius, German botanist and physician (d. 1721)
• March 4 – Philip Christoph von Königsmarck, Swedish soldier (d. 1694)
• April 19 – Jacques Lelong, French bibliographer (d. 1721)
• April 29 – James Butler, 2nd Duke of Ormonde, Irish statesman and soldier (d. 1745)
• June 4 – Zacharie Robutel de La Noue, Canadian soldier (d. 1733)

• July 2 – Samuel Penhallow, English-born American colonist and historian (d. 1726)
• August 21 – Giacomo F. Maraldi, French-Italian astronomer (d. 1729)
• August 27 – John Hervey, 1st Earl of Bristol, English politician (d. 1751)
• December 25 – Lady Grizel Baillie, Scottish songwriter (d. 1746)
• December 28 – George FitzRoy, 1st Duke of Northumberland, English general (d. 1716)

Deaths

• January 12 – Pierre de Fermat, French mathematician (b. 1601)
• January 31 – Johannes Clauberg, German theologian and philosopher (b. 1622)
• June 13 – Egbert Bartholomeusz Kortenaer, Dutch admiral (b. 1604)
• June 25 – Archduke Sigismund Francis of Austria, regent of Tyrol and Further Austria (b. 1630)
• July 11 – Kenelm Digby, English privateer (b. 1603)
• July 18 – Stefan Czarniecki, Polish general (b. 1599)
• August 28 – Elisabetta Sirani, Italian painter (b. 1638)
• September 12 – Jean Bolland, Flemish Jesuit writer (b. 1596)
• September 17 – King Philip IV of Spain (b. 1605)
• September 25 – Maria Anna of Austria, Electress of Bavaria (b. 1610)
• November 17 – John Earle (bishop), English bishop (b. 1601)
• November 19 – Nicolas Poussin, French painter (b. 1594)
• December 2 – Catherine de Vivonne, marquise de Rambouillet, French socialite (b. 1588)
• December 10 – Tarquinio Merula, Italian composer (b. c. 1594)