1909

1909 (MCMIX) was a common year starting on Friday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1909th year of the Common Era (CE) and Anno Domini (AD) designations, the 909th year of the 2nd millennium, the 9th year of the 20th century, and the 10th and last year of the 1900s decade. As of the start of 1909, the Gregorian calendar was 13 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium:	2nd millennium
Centuries:	19th century – 20th century – 21st century
Decades:	1870s  1880s  1890s  – 1900s –  1910s  1920s  1930s
Years:	1906 1907 1908 – 1909 – 1910 1911 1912

1909 in other calendars

Gregorian calendar	1909 MCMIX
Ab urbe condita	2662
Armenian calendar	1358 ԹՎ ՌՅԾԸ
Assyrian calendar	6659
Bahá'í calendar	65–66
Balinese saka calendar	1830–1831
Bengali calendar	1316
Berber calendar	2859
British Regnal year	8 Edw. 7 – 9 Edw. 7
Buddhist calendar	2453
Burmese calendar	1271
Byzantine calendar	7417–7418
Chinese calendar	戊申年 (Earth Monkey) 4605 or 4545     — to — 己酉年 (Earth Rooster) 4606 or 4546
Coptic calendar	1625–1626
Discordian calendar	3075
Ethiopian calendar	1901–1902
Hebrew calendar	5669–5670
Hindu calendars
- Vikram Samvat	1965–1966
- Shaka Samvat	1830–1831
- Kali Yuga	5009–5010
Holocene calendar	11909
Igbo calendar	909–910
Iranian calendar	1287–1288
Islamic calendar	1326–1327
Japanese calendar	Meiji 42 (明治４２年)
Javanese calendar	1838–1839
Julian calendar	Gregorian minus 13 days
Korean calendar	4242
Minguo calendar	3 before ROC 民前3年
Nanakshahi calendar	441
Thai solar calendar	2451–2452
Tibetan calendar	阳土猴年 (male Earth-Monkey) 2035 or 1654 or 882     — to — 阴土鸡年 (female Earth-Rooster) 2036 or 1655 or 883

Events

• March 31 – Construction of the RMS Titanic is started
• April 6 – Robert Peary arrived in the north pole.
• April – The Adana massacre takes place in the Ottoman city of Adana
• June 29 – Alfred Deakin becomes Prime Minister of Australia
• The first model of the Model T is sold
• The pH scale is developed.
• Emil Theodor Kocher, Swiss doctor, won the 1909 Nobel Prize in Physiology or Medicine

Births

• January 13 – Danny Barker, American musician (d. 1994)
• February 9 – Carmen Miranda, Brazilian singer and actress (d. 1955)
• March 20 – Juliana of the Netherlands (d. 2004)
• May 27
  • Dolores Hope, American singer (d. 2011)
  • Juan Vicente Pérez, Supercentenarian Venezuelan man fourth-oldest verified man ever (d. 2024)
• June 6 – Isaiah Berlin, Latvian philosopher and educator (d. 1997)
• June 10 – Errol Flynn, American actor (d. 1959)
• August 10 – Leo Fender, American guitar maker (d. 1991)
• August 21 – Ethel Caterham, English supercentenarian
• August 26 – Sylvère Maes, Belgian cyclist (d. 1966)
• September 21 – Kwame Nkrumah, President of Ghana (d. 1972)

Deaths

• February 17 – Geronimo, Native American leader (b. 1829)
• December 17 – Léopold II of Belgium, King of Belgium (b. 1835)
• January 12 – Hermann Minkowski, German mathematician (b. 1864)