1870

1870 (MDCCCLXX) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1870th year of the Common Era (CE) and Anno Domini (AD) designations, the 870th year of the 2nd millennium, the 70th year of the 19th century, and the 1st year of the 1870s decade. As of the start of 1870, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium:	2nd millennium
Centuries:	18th century – 19th century – 20th century
Decades:	1840s  1850s  1860s  – 1870s –  1880s  1890s  1900s
Years:	1867 1868 1869 – 1870 – 1871 1872 1873

1870 in other calendars

Gregorian calendar	1870 MDCCCLXX
Ab urbe condita	2623
Armenian calendar	1319 ԹՎ ՌՅԺԹ
Assyrian calendar	6620
Bahá'í calendar	26–27
Balinese saka calendar	1791–1792
Bengali calendar	1277
Berber calendar	2820
British Regnal year	33 Vict. 1 – 34 Vict. 1
Buddhist calendar	2414
Burmese calendar	1232
Byzantine calendar	7378–7379
Chinese calendar	己巳年 (Earth Snake) 4566 or 4506     — to — 庚午年 (Metal Horse) 4567 or 4507
Coptic calendar	1586–1587
Discordian calendar	3036
Ethiopian calendar	1862–1863
Hebrew calendar	5630–5631
Hindu calendars
- Vikram Samvat	1926–1927
- Shaka Samvat	1791–1792
- Kali Yuga	4970–4971
Holocene calendar	11870
Igbo calendar	870–871
Iranian calendar	1248–1249
Islamic calendar	1286–1287
Japanese calendar	Meiji 3 (明治３年)
Javanese calendar	1798–1799
Julian calendar	Gregorian minus 12 days
Korean calendar	4203
Minguo calendar	42 before ROC 民前42年
Nanakshahi calendar	402
Thai solar calendar	2412–2413
Tibetan calendar	阴土蛇年 (female Earth-Snake) 1996 or 1615 or 843     — to — 阳金马年 (male Iron-Horse) 1997 or 1616 or 844

Events

• Franco-Prussian War (1870-1871)

Births

• January 8 – Miguel Primo de Rivera, dictator of Spain (d. 1930)
• January 15 – Pierre S. DuPont, industrialist
• February 7 – Alfred Adler, psychologist
• March 5 – Frank Norris, writer (d. 1902)
• March 17 – Horace Donisthorpe, myrmecologist (d. 1951)
• March 20 – Paul Erich von Lettow-Vorbeck, German general (d. 1964)
• April 22 – Vladimir Lenin, first leader of the USSR
• April 30 – Franz Lehár, composer (d. 1948)
• May 19 – Albert Fish, serial killer (d. 1936; executed by electrocution)
• June 13 Sophia of Prussia Queen of Greece Grand Daughter of Queen Victoria and sister of Kaiser William II of Germany and mother of future 3 kings George II Alexander I Paul I ( died 1932
• July 3 – Richard Bedford Bennett, eleventh Prime Minister of Canada.
• July 12 – Louis II of Monaco
• July 29 – George Dixon, Black Canadian boxer, first Black world boxing champion in any weight class.
• August 31 – Maria Montessori, educator
• September 26 – King Christian X of Denmark
• November 21 – Sigfrid Edström, Swedish sports official
• December 5 – Vitezslav Novák, composer (d. 1949)

Deaths

• February 11 – Jacob M. de Kempenaer, Dutch Minister of Internal Affairs (1848-1849?).
• February 11 – Leopold Eugen Mechura, composer
• February 19 – Nathaniel de Rothschild, French wine grower
• March 28 – George Henry Thomas, American general
• June 9 – Charles Dickens, British novelist
• July 20 – Jules Alfred Huot de Goncourt, Prix Goncourt
• October 12 – Robert E. Lee, Confederate General.
• November 4 – Comte de Lautreamont, French poet and writer.
• December 5 – Alexandre Dumas, père, writer
• December 27 – General Prim, Spanish dictator.
• Henry Rowe – Gothic architect