1878 (MDCCCLXXVIII) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1878th year of the Common Era (CE) and Anno Domini (AD) designations, the 878th year of the 2nd millennium, the 78th year of the 19th century, and the 9th year of the 1870s decade. As of the start of 1878, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium: 2nd millennium
Centuries: 18th century19th century20th century
Decades: 1840s  1850s  1860s  – 1870s –  1880s  1890s  1900s
Years: 1875 1876 187718781879 1880 1881
1878 in other calendars
Gregorian calendar1878
Ab urbe condita2631
Armenian calendar1327
Assyrian calendar6628
Bahá'í calendar34–35
Balinese saka calendar1799–1800
Bengali calendar1285
Berber calendar2828
British Regnal year41 Vict. 1 – 42 Vict. 1
Buddhist calendar2422
Burmese calendar1240
Byzantine calendar7386–7387
Chinese calendar丁丑(Fire Ox)
4574 or 4514
    — to —
戊寅年 (Earth Tiger)
4575 or 4515
Coptic calendar1594–1595
Discordian calendar3044
Ethiopian calendar1870–1871
Hebrew calendar5638–5639
Hindu calendars
 - Vikram Samvat1934–1935
 - Shaka Samvat1799–1800
 - Kali Yuga4978–4979
Holocene calendar11878
Igbo calendar878–879
Iranian calendar1256–1257
Islamic calendar1294–1296
Japanese calendarMeiji 11
Javanese calendar1806–1807
Julian calendarGregorian minus 12 days
Korean calendar4211
Minguo calendar34 before ROC
Nanakshahi calendar410
Thai solar calendar2420–2421
Tibetan calendar阴火牛年
(female Fire-Ox)
2004 or 1623 or 851
    — to —
(male Earth-Tiger)
2005 or 1624 or 852

Events change

Deaths change