1661

Millennium: 2nd millennium
Centuries:
Decades:
Years:
April 7: The Siege of Fort Zeelandia, the Dutch East India Company's capital of what is now Taiwan, is started by thousands of troops from Mainland China commanded by General Koxinga.
1661 in various calendars
Gregorian calendar1661
MDCLXI
Ab urbe condita2414
Armenian calendar1110
ԹՎ ՌՃԺ
Assyrian calendar6411
Balinese saka calendar1582–1583
Bengali calendar1068
Berber calendar2611
English Regnal year12 Cha. 2 – 13 Cha. 2
Buddhist calendar2205
Burmese calendar1023
Byzantine calendar7169–7170
Chinese calendar庚子年 (Metal Rat)
4358 or 4151
    — to —
辛丑年 (Metal Ox)
4359 or 4152
Coptic calendar1377–1378
Discordian calendar2827
Ethiopian calendar1653–1654
Hebrew calendar5421–5422
Hindu calendars
 - Vikram Samvat1717–1718
 - Shaka Samvat1582–1583
 - Kali Yuga4761–4762
Holocene calendar11661
Igbo calendar661–662
Iranian calendar1039–1040
Islamic calendar1071–1072
Japanese calendarManji 4 / Kanbun 1
(寛文元年)
Javanese calendar1583–1584
Julian calendarGregorian minus 10 days
Korean calendar3994
Minguo calendar251 before ROC
民前251年
Nanakshahi calendar193
Thai solar calendar2203–2204
Tibetan calendar阳金鼠年
(male Iron-Rat)
1787 or 1406 or 634
    — to —
阴金牛年
(female Iron-Ox)
1788 or 1407 or 635
March 9: The death of Cardinal Mazarin clears the way for the rule of King Louis XIV in France.
January 30: The posthumous execution of Oliver Cromwell is carried out more than two years after his death.

1661 (MDCLXI) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1661st year of the Common Era (CE) and Anno Domini (AD) designations, the 661st year of the 2nd millennium, the 61st year of the 17th century, and the 2nd year of the 1660s decade. As of the start of 1661, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.