1642

1642 in various calendars
Gregorian calendar	1642; MDCXLII
Ab urbe condita	2395
Armenian calendar	1091; ԹՎ ՌՂԱ
Assyrian calendar	6392
Balinese saka calendar	1563–1564
Bengali calendar	1049
Berber calendar	2592
English Regnal year	17 Cha. 1 – 18 Cha. 1
Buddhist calendar	2186
Burmese calendar	1004
Byzantine calendar	7150–7151
Chinese calendar	辛巳年 (Metal Snake); 4339 or 4132; — to —; 壬午年 (Water Horse); 4340 or 4133
Coptic calendar	1358–1359
Discordian calendar	2808
Ethiopian calendar	1634–1635
Hebrew calendar	5402–5403
Hindu calendars
- Vikram Samvat	1698–1699
- Shaka Samvat	1563–1564
- Kali Yuga	4742–4743
Holocene calendar	11642
Igbo calendar	642–643
Iranian calendar	1020–1021
Islamic calendar	1051–1052
Japanese calendar	Kan'ei 19; (寛永１９年)
Javanese calendar	1563–1564
Julian calendar	Gregorian minus 10 days
Korean calendar	3975
Minguo calendar	270 before ROC; 民前270年
Nanakshahi calendar	174
Thai solar calendar	2184–2185
Tibetan calendar	阴金蛇年; (female Iron-Snake); 1768 or 1387 or 615; — to —; 阳水马年; (male Water-Horse); 1769 or 1388 or 616

Millennium:	2nd millennium
Centuries:	16th century; 17th century ; 18th century;
Decades:	1620s; 1630s; 1640s ; 1650s; 1660s;
Years:	1639; 1640; 1641; 1642 ; 1643; 1644; 1645;

Events of 1642

January 4 – First English Civil War: Charles I attempts to arrest 5 leading members of the Long Parliament, but they escape.
March 1 – Georgeana, Massachusetts (now known as York, Maine) becomes the first incorporated city in America.
March 19 – The citizens of Galway seize an English naval ship, close the town gates and declare support for Confederate Ireland.
May 17 – Sieur de Maisonneuve founds the Ville Marie de Montreal.
May 30 – All honours granted by Charles I from this date onward are retrospectively annulled by Parliament.

July – First English Civil War: Charles I besieges Hull in an attempt to gain control of its arsenal.
August 4 – Lord Forbes relieves Forthill and besieges Galway.
August 21 – First Battle of Lostwithiel.
August 22 – King Charles I raises the royal battle standard over Nottingham Castle, so declaring war on his own Parliament.
September 2 – Parliament orders the theatres of London closed, effectively ending the era of English Renaissance theatre.
September 7 – Lord Forbes raises his unsuccessful siege of Galway.
September 8 – Thomas Granger is executed by hanging at Plymouth, Massachusetts for confessing to numerous acts of bestiality.
October 23 – First English Civil War – Battle of Edgehill: Royalists and Parliamentarians battle to a draw.
November 13 – First English Civil War – Battle of Turnham Green: The Royalist forces withdraw in face of the Parliamentarian army and fail to take London.
November 24 – Abel Tasman becomes the first European to discover the island Van Diemen's Land (later renamed Tasmania).
December 13 – Abel Tasman is the first recorded European to sight New Zealand.

The Dutch drive Spain from Taiwan.
Bro/broo in Sweden is granted the city rights for the second time and takes the name Kristinehamn.
Rembrandt Harmenzoon van Rijn finishes his painting "The Night Watch".
The Manchu under their leader Huang Taiji raid the Ming Chinese province of Shandong from their base in Manchuria. Two years later Beijing falls to rebels, the Chongzhen Emperor commits suicide, and the Shunzhi Emperor becomes the first Qing Emperor to rule over China proper.
A juvenile is executed for the first time in America, for the crime of bestiality with a cow and a horse.^[1]
Kaifeng flood of 1642: Some 300,000 people die when the Ming Dynasty army in China intentionally breaks the dams and dykes of the Yellow River to drown the large rebel force of Li Zicheng.
Isaac Aboab da Fonseca is appointed rabbi in Pernambuco, Brazil, thus becoming the first rabbi of the Americas.

^ Samaha, Joel. "2". Criminal Law (Ninth ed.). Thomas/Watson. p. 60. ISBN 0-495-095939-7. {{cite book}}: Check |isbn= value: length (help); Unknown parameter |accessmonth= ignored (|access-date= suggested) (help); Unknown parameter |accessyear= ignored (|access-date= suggested) (help)