1817

1817 (MDCCCXVII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1817th year of the Common Era (CE) and Anno Domini (AD) designations, the 817th year of the 2nd millennium, the 17th year of the 19th century, and the 8th year of the 1810s decade. As of the start of 1817, 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:	1780s  1790s  1800s  – 1810s –  1820s  1830s  1840s
Years:	1814 1815 1816 – 1817 – 1818 1819 1820

1817 in other calendars

Gregorian calendar	1817 MDCCCXVII
Ab urbe condita	2570
Armenian calendar	1266 ԹՎ ՌՄԿԶ
Assyrian calendar	6567
Balinese saka calendar	1738–1739
Bengali calendar	1224
Berber calendar	2767
British Regnal year	57 Geo. 3 – 58 Geo. 3
Buddhist calendar	2361
Burmese calendar	1179
Byzantine calendar	7325–7326
Chinese calendar	丙子年 (Fire Rat) 4513 or 4453     — to — 丁丑年 (Fire Ox) 4514 or 4454
Coptic calendar	1533–1534
Discordian calendar	2983
Ethiopian calendar	1809–1810
Hebrew calendar	5577–5578
Hindu calendars
- Vikram Samvat	1873–1874
- Shaka Samvat	1738–1739
- Kali Yuga	4917–4918
Holocene calendar	11817
Igbo calendar	817–818
Iranian calendar	1195–1196
Islamic calendar	1232–1233
Japanese calendar	Bunka 14 (文化１４年)
Javanese calendar	1744–1745
Julian calendar	Gregorian minus 12 days
Korean calendar	4150
Minguo calendar	95 before ROC 民前95年
Nanakshahi calendar	349
Thai solar calendar	2359–2360
Tibetan calendar	阳火鼠年 (male Fire-Rat) 1943 or 1562 or 790     — to — 阴火牛年 (female Fire-Ox) 1944 or 1563 or 791

Events

January – March

• January 19 – An army of 5,423 soldiers, led by General José de San Martín, starts crossing the Andes from Argentina to free Chile and then Peru.
• February 12 – The Argentine/Chilean patriotic army defeats the Spanish in the Battle of Chacabuco.
• March 3
  • The Alabama Territory is created by splitting the Mississippi Territory in half, 9 months before Mississippi becomes a U.S. state.
    • President James Madison vetoes John C. Calhoun's Bonus Bill.
• March 4 – James Monroe succeeds James Madison as the President of the United States of America.

April – June

• April – Earthquake in Palermo, Italy
• April 3 – Princess Caraboo appears in Almondsbury in Gloucestershire, England.
• April 15 – The first American school for the deaf opens in Hartford, Connecticut.
• April 17 – Martin Van Buren passes Erie Canal bill.
• April 28 – Rush-Bagot Treaty is signed.
• May – The General Convention of the Episcopal Church founded General Theological Seminary while meeting in New York City.
• June 5 – First Great Lakes steamer, the Frontenac, is launched.
• June 25 – Large prison riot in Copenhagen prison – army is sent for to quell it.

July – September

• July 4 – At Rome, New York, construction on the Erie Canal begins.
• August 22 – City of Araraquara, Brazil founded.
• August 23 – Earthquake near the site of the ancient Greek city of Helike results in 65 deaths.

October – December

• October – President and Mrs. James Monroe move back into the White House, after restoration repairs.
• October 31 – Emperor Ninkō accedes to the throne of Japan.
• November 20 – The first Seminole War begins in Florida.
• November 22 – Fredric Cailliaud discovers the old Roman emerald mines at Sikait, Egypt.
• December 10 – Mississippi is admitted as the 20th U.S. state, separated from the Alabama Territory.

Undated

• Elgin Marbles are displayed in the British Museum.
• John Kidd extracts naphthalene from coal tar.
• Samuel Taylor Coleridge publishes Biographia Literaria.
• A Typhus epidemic occurs in Edinburgh and Glasgow.
• Outbreak of the Pernambucan Revolt.

January – June

• January 6 – J. J. McCarthy, Irish architect (d. 1882)
• January 8 – Sir Theophilus Shepstone, British-born South African statesman (d. 1893)
• February 19 – King William III of the Netherlands (d. 1890)
• February 22 – Carl Wilhelm Borchardt, German mathematician (d. 1880)
• March 6 – Clémentine of Orléans, daughter of King Louis-Philippe of France and mother of Tsar Ferdinand I of Bulgaria (d. 1907)
• March 22 – Braxton Bragg, American Confederate general (d. 1876)
• May 15 – Debendranath Tagore, Indian philosopher (d. 1905)
• June 30 – Joseph Dalton Hooker, English botanist (d. 1911)

July - December

• July 12 – Henry David Thoreau, American philosopher (d. 1862)
• July 24 – Adolphe, Grand Duke of Luxembourg (d. 1905)
• August 3 – Archduke Albert, Austrian general (d. 1895)
• August 14 – Alexander H. Bailey, American politician (d. 1874)
• August 24 – Aleksey Konstantinovich Tolstoy, Russian writer (d. 1875)
• October 17 – Sir Syed Ahmed Khan Bahadur Founder of the Two Nation Theory for a future Pakistan (d. 1898)
• November 3 – Leonard Jerome, American entrepreneur and grandfather of Sir Winston Churchill (d. 1891)
• November 12 – Bahá'u'lláh, Persian founder of the Bahá'í Faith (d. 1892)
• November 17 – Benjamin Champney, American painter (d. 1907)
• November 30 – Theodor Mommsen, German writer, Nobel Prize laureate (d. 1903)

Deaths

January – June

• January 12 – Juan Andres, Spanish Jesuit (b. 1740)
• January 16 – Alexander J. Dallas, American statesman and financier (b. 1759)
• April 4 – André Masséna, French marshal (b. 1758)
• April 12 – Charles Messier, French astronomer (b. 1730)
• June 24 – Thomas McKean, American lawyer and signer of the Declaration of Independence (b. 1734)

July – December

• July 14 – Anne Louise Germaine de Staël, French writer (b. 1766)
• July 18 – Jane Austen, English novelist (b. 1775)
• July 19 – John Palmer, Bath architect (b. c. 1738)
• October 16 – Manuel Piar, Venezuelan military leader (b. 1774)
• November 14 – Policarpa Salavarrieta, Colombian spy and revolutionary who worked for the Independence of Colombia (b. 1795)
• November 30 – Jean-Baptiste-Melchior Hertel de Rouville, Canadian politician (b. 1748)
• December 7 – William Bligh, Captain of the Bounty, Governor of New South Wales (b. 1754)