1642

1642 (MDCXLII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1642nd year of the Common Era (CE) and Anno Domini (AD) designations, the 642nd year of the 2nd millennium, the 42nd year of the 17th century, and the 3rd year of the 1640s decade. As of the start of 1642, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium:	2nd millennium
Centuries:	16th century – 17th century – 18th century
Decades:	1610s  1620s  1630s  – 1640s –  1650s  1660s  1670s
Years:	1639 1640 1641 – 1642 – 1643 1644 1645

1642 in other 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) 4338 or 4278     — to — 壬午年 (Water Horse) 4339 or 4279
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

Events

• On September 2, the Puritans force the London theatres to close, ending the era of English Renaissance drama.

Births

• December 25 (OS) – Sir Isaac Newton, English scientist (d. 1727)

Deaths

• January 8 – Galileo Galilei, Italian astronomer (b. 1564)