September 18th, 1646

Born on September 18th, 1646

Age in days, weeks and months
Wow, over 138,000 days old!

Why not celebrate an alternative birthday? In 263 days, exactly on April 14th, 2027, people who were born on September 18th, 1646 will be 139,000 days old!

... in seconds, minutes and hours

What happened on September 18th?

September 18th, 1950

Korean War: The Korean People's Army retreated from the Battle of the Pusan Perimeter after six weeks of fighting, marking the farthest that the KPA would advance in the war.

September 18th, 2001

Five letters containing anthrax spores were mailed to various media outlets in the United States.

September 18th, 1961

An aircraft crashed near Ndola in Northern Rhodesia, resulting in the deaths of 16 people, including United Nations secretary-general Dag Hammarskjöld.

September 18th, 1948

The Australian cricket team's Invincibles tour of England concluded; they had played 34 matches, including five Tests, without defeat.

September 18th, 1918

World War I: The Central Powers' defeat at the Battle of Dobro Pole played a role in the Bulgarian withdrawal from the war and led to the subsequent liberation of Vardar Macedonia.

September 18th, 1895

Daniel David Palmer performed the first chiropractic adjustment on janitor William Harvey Lillard.

September 18th, 1879

The Blackpool Illuminations (example pictured) in the English seaside town of Blackpool were switched on for the first time.

September 18th, 1875

The Indianola hurricane dissipated over Mississippi after killing around eight hundred people in Texas.

September 18th, 1873

Panic of 1873: The American bank Jay Cooke & Company declared bankruptcy, setting off a chain reaction of bank failures.

September 18th, 1870

Nathaniel P. Langford of the Washburn–Langford–Doane Expedition first observed a geyser in the Wyoming Territory erupting at regular intervals, naming it Old Faithful (video featured).

September 18th, 1851

The New York Times, the largest metropolitan newspaper in the United States, was founded.

September 18th, 1850

The United States Congress passed the Fugitive Slave Act, decreeing that all escaped slaves be brought back to their masters.

September 18th, 1809

The second Theatre Royal, Covent Garden (interior pictured), opened in London after the original was destroyed by fire.

September 18th, 1048

Byzantine–Seljuk wars: Byzantine forces defeated their Seljuk opponents in the flanks of the nocturnal Battle of Kapetron, but learned of their Georgian allies' defeat in the centre the next morning.

September 18th, 0324

Constantine the Great decisively defeated Licinius in the Battle of Chrysopolis, establishing Constantine's sole control over the Roman Empire and ending the Tetrarchy.

Birthdays
... of famous people, actors, celebrities and stars on September 18th

Same year
Born in 1646

70

Gottfried Wilhelm Leibniz

German mathematician and philosopher (1646–1716)

*July 1st, 1646, Leipzig †November 14th, 1716, Hanover

73

John Flamsteed

English astronomer and the first Astronomer Royal

*August 19th, 1646, Denby †December 31st, 1719, Burstow

53

Christian V of Denmark

King of Denmark and Norway (1646-1699)

*April 15th, 1646, Flensburg †August 25th, 1699, Copenhagen

38

Elena Cornaro Piscopia

Venetian philosopher (1646–1684)

*June 5th, 1646, Venice †July 26th, 1684, Padua

62

Jules Hardouin-Mansart

French Baroque architect

*April 16th, 1646, Paris †May 11th, 1708, Marly-le-Roi

68

Antoine Galland

French orientalist, numismatist and translator (1646–1715)

*April 4th, 1646, Rollot †February 17th, 1715, Paris

37

Maria Francisca of Savoy

Queen of Portugal

*June 21st, 1646, Paris †December 27th, 1683, Lisbon

68

Jean du Casse

French admiral and buccaneer

*August 2nd, 1646, Saubusse †June 25th, 1715, Bourbon-l'Archambault

68

Pierre Le Pesant, sieur de Boisguilbert

French law-maker and a Jansenist

*February 17th, 1646, Rouen †October 10th, 1714, Rouen

62

Magnus Daniel Omeis

German author (1646-1708)

*September 6th, 1646, Nuremberg †November 22nd, 1708, Altdorf bei Nürnberg

72

Robert Daniell

American politician

*April 20th, 1646, Cardigan †May 1st, 1718, Daniel Island

45

Frederick I of Saxe-Gotha-Altenburg

First Duke of Saxe-Gotha-Altenburg (1646-1691)

*June 15th, 1646, Gotha †August 2nd, 1691, Friedrichswerth

87

Marguerite Perier

French nun, daughter of Blaise Pascal

*April 6th, 1646, Clermont-Ferrand †April 14th, 1733, Clermont-Ferrand

57

Joseph Parrocel

French painter (1646-1704)

*October 3rd, 1646, Brignoles †March 1st, 1704, Paris

58

Françoise-Marguerite de Sévigné

French salonnière and countess

*October 10th, 1646, Paris †August 13th, 1705, Marseille

82

Jean Hardouin

French classical scholar (1646-1729)

*December 23rd, 1646, Quimper †September 3rd, 1729, Paris

62

Robert Bolling

American planter and merchant 1646 - 1709

*December 26th, 1646, London †July 17th, 1709

Birthdays of famous people

Public holidays on September 18th

Fixed holidays (Christian feast day) which are celebrated on September 18th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1646 is a normal year and no leap year.

Calendar
September 1646