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1780

Millennium: 2nd millennium
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1780 by topic:
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1780 in various calendars
Gregorian calendar 1780
MDCCLXXX
Ab urbe condita 2533
Armenian calendar 1229
ԹՎ ՌՄԻԹ
Assyrian calendar 6530
Bengali calendar 1187
Berber calendar 2730
British Regnal year 20 Geo. 3 – 21 Geo. 3
Buddhist calendar 2324
Burmese calendar 1142
Byzantine calendar 7288–7289
Chinese calendar 己亥(Earth Pig)
4476 or 4416
    — to —
庚子年 (Metal Rat)
4477 or 4417
Coptic calendar 1496–1497
Discordian calendar 2946
Ethiopian calendar 1772–1773
Hebrew calendar 5540–5541
Hindu calendars
 - Vikram Samvat 1836–1837
 - Shaka Samvat 1701–1702
 - Kali Yuga 4880–4881
Holocene calendar 11780
Igbo calendar 780–781
Iranian calendar 1158–1159
Islamic calendar 1193–1195
Japanese calendar An'ei 9
(安永9年)
Javanese calendar 1705–1706
Julian calendar Gregorian minus 11 days
Korean calendar 4113
Minguo calendar 132 before ROC
民前132年
Nanakshahi calendar 312
Thai solar calendar 2322–2323


1780 (MDCCLXXX) was a leap year starting on Saturday (dominical letter BA) of the Gregorian calendar and a leap year starting on Wednesday (dominical letter ED) of the Julian calendar, the 1780th year of the Common Era (CE) and Anno Domini (AD) designations, the 780th year of the 2nd millennium, the 80th year of the 18th century, and the 1st year of the 1780s decade. As of the start of 1780, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.



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