1671

Millennium: 2nd millennium
Centuries:
Decades:
Years:
June 7: Christian V is crowned as King of Denmark and of Norway at Frederiksborg Castle.
1671 in various calendars
Gregorian calendar1671
MDCLXXI
Ab urbe condita2424
Armenian calendar1120
ԹՎ ՌՃԻ
Assyrian calendar6421
Balinese saka calendar1592–1593
Bengali calendar1078
Berber calendar2621
English Regnal year22 Cha. 2 – 23 Cha. 2
Buddhist calendar2215
Burmese calendar1033
Byzantine calendar7179–7180
Chinese calendar庚戌年 (Metal Dog)
4368 or 4161
    — to —
辛亥年 (Metal Pig)
4369 or 4162
Coptic calendar1387–1388
Discordian calendar2837
Ethiopian calendar1663–1664
Hebrew calendar5431–5432
Hindu calendars
 - Vikram Samvat1727–1728
 - Shaka Samvat1592–1593
 - Kali Yuga4771–4772
Holocene calendar11671
Igbo calendar671–672
Iranian calendar1049–1050
Islamic calendar1081–1082
Japanese calendarKanbun 11
(寛文11年)
Javanese calendar1593–1594
Julian calendarGregorian minus 10 days
Korean calendar4004
Minguo calendar241 before ROC
民前241年
Nanakshahi calendar203
Thai solar calendar2213–2214
Tibetan calendar阳金狗年
(male Iron-Dog)
1797 or 1416 or 644
    — to —
阴金猪年
(female Iron-Pig)
1798 or 1417 or 645
December 30: The Académie royale d'architecture is founded.

1671 (MDCLXXI) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1671st year of the Common Era (CE) and Anno Domini (AD) designations, the 671st year of the 2nd millennium, the 71st year of the 17th century, and the 2nd year of the 1670s decade. As of the start of 1671, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.