1801 (MDCCCI) was a common year starting on Thursday in the Gregorian calendar and a common year starting on Tuesday in the Julian calendar. It was the 1st year of the 19th century. As of the start of the year, the Gregorian calendar was 12 days ahead of the Julian calendar.

Millennium: 2nd millennium
Centuries: 18th century19th century20th century
Decades: 1770s  1780s  1790s  – 1800s –  1810s  1820s  1830s
Years: 1798 1799 180018011802 1803 1804
1801 in other calendars
Gregorian calendar1801
MDCCCI
French Republican calendar9–10
Ab urbe condita2554
Armenian calendar1250
ԹՎ ՌՄԾ
Assyrian calendar6551
Balinese saka calendar1722–1723
Bengali calendar1208
Berber calendar2751
British Regnal year41 Geo. 3 – 42 Geo. 3
Buddhist calendar2345
Burmese calendar1163
Byzantine calendar7309–7310
Chinese calendar庚申(Metal Monkey)
4497 or 4437
    — to —
辛酉年 (Metal Rooster)
4498 or 4438
Coptic calendar1517–1518
Discordian calendar2967
Ethiopian calendar1793–1794
Hebrew calendar5561–5562
Hindu calendars
 - Vikram Samvat1857–1858
 - Shaka Samvat1722–1723
 - Kali Yuga4901–4902
Holocene calendar11801
Igbo calendar801–802
Iranian calendar1179–1180
Islamic calendar1215–1216
Japanese calendarKansei 13
(寛政13年)
Javanese calendar1727–1728
Julian calendarGregorian minus 12 days
Korean calendar4134
Minguo calendar111 before ROC
民前111年
Nanakshahi calendar333
Thai solar calendar2343–2344
Tibetan calendar阳金猴年
(male Iron-Monkey)
1927 or 1546 or 774
    — to —
阴金鸡年
(female Iron-Rooster)
1928 or 1547 or 775

Events

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Deaths

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Births

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