1647

1647 (MDCXLVII) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1647th year of the Common Era (CE) and Anno Domini (AD) designations, the 647th year of the 2nd millennium, the 47th year of the 17th century, and the 8th year of the 1640s decade. As of the start of 1647, 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:	1644 1645 1646 – 1647 – 1648 1649 1650

1647 in other calendars

Gregorian calendar	1647 MDCXLVII
Ab urbe condita	2400
Armenian calendar	1096 ԹՎ ՌՂԶ
Assyrian calendar	6397
Balinese saka calendar	1568–1569
Bengali calendar	1054
Berber calendar	2597
English Regnal year	22 Cha. 1 – 23 Cha. 1
Buddhist calendar	2191
Burmese calendar	1009
Byzantine calendar	7155–7156
Chinese calendar	丙戌年 (Fire Dog) 4343 or 4283     — to — 丁亥年 (Fire Pig) 4344 or 4284
Coptic calendar	1363–1364
Discordian calendar	2813
Ethiopian calendar	1639–1640
Hebrew calendar	5407–5408
Hindu calendars
- Vikram Samvat	1703–1704
- Shaka Samvat	1568–1569
- Kali Yuga	4747–4748
Holocene calendar	11647
Igbo calendar	647–648
Iranian calendar	1025–1026
Islamic calendar	1056–1057
Japanese calendar	Shōhō 4 (正保４年)
Javanese calendar	1568–1569
Julian calendar	Gregorian minus 10 days
Korean calendar	3980
Minguo calendar	265 before ROC 民前265年
Nanakshahi calendar	179
Thai solar calendar	2189–2190
Tibetan calendar	མེ་ཕོ་ཁྱི་ལོ་ (male Fire-Dog) 1773 or 1392 or 620     — to — མེ་མོ་ཕག་ལོ་ (female Fire-Boar) 1774 or 1393 or 621

Events

• March 14 – Thirty Years' War: Bavaria, Cologne, France and Sweden sign the Truce of Ulm.
• April 3 – In England, letter from the Agitators of the New Model Army, protesting delay of pay, is read in the House of Commons
• May 29 – The Rhode Island General Assembly drafts a constitution that separates church and state, and permits public referenda and initiatives on legislation.
• August 8 – The battle of Dungans Hill, Irish forces are defeated by British Parliamentary forces.
• August – Peter Stuyvesant appointed Director of New Amsterdam by the Dutch West India Company.
• Johann von Werth tried to take his troops over the Austrian border, but they refused