1801

This article is about the year 1801. For the microprocessor, see 1801 series CPU.
Millennium: 2nd millennium
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1801 in topic:
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1801 in various calendars
Gregorian calendar 1801
MDCCCI
French Republican calendar 9–10
Ab urbe condita 2554
Armenian calendar 1250
ԹՎ ՌՄԾ
Assyrian calendar 6551
Bengali calendar 1208
Berber calendar 2751
British Regnal year 41  Geo. 3 – 42  Geo. 3
Buddhist calendar 2345
Burmese calendar 1163
Byzantine calendar 7309–7310
Chinese calendar 庚申(Metal  Monkey)
4497 or 4437
    — to —
辛酉年 (Metal  Rooster)
4498 or 4438
Coptic calendar 1517–1518
Discordian calendar 2967
Ethiopian calendar 1793–1794
Hebrew calendar 5561–5562
Hindu calendars
 - Vikram Samvat 1857–1858
 - Shaka Samvat 1722–1723
 - Kali Yuga 4901–4902
Holocene calendar 11801
Igbo calendar 801–802
Iranian calendar 1179–1180
Islamic calendar 1215–1216
Japanese calendar Kansei 13
(寛政13年)
Javanese calendar 1727–1728
Julian calendar Gregorian minus 12 days
Korean calendar 4134
Minguo calendar 111 before ROC
民前111年
Nanakshahi calendar 333
Thai solar calendar 2343–2344


1801 ( MDCCCI) was a common year starting on Thursday ( dominical letter D) of the Gregorian calendar and a common year starting on Tuesday ( dominical letter F) of the Julian calendar, the 1801st year of the Common Era (CE) and Anno Domini (AD) designations, the 801st year of the 2nd millennium, the 1st year of the 19th century, and the 2nd year of the 1800s decade. As of the start of 1801, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

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October–December

Date unknown