August 4th, 1740

Born on August 4th, 1740

Age in days, weeks and months
Wow, over 104,000 days old!

Why not celebrate an alternative birthday? In 598 days, exactly on January 27th, 2028, people who were born on August 4th, 1740 will be 105,000 days old!

... in seconds, minutes and hours

What happened on August 4th?

August 4th, 2020

A large explosion of ammonium nitrate stored at the Port of Beirut in Lebanon killed 218 people and caused US$15 billion in damage.

August 4th, 2006

Sri Lankan civil war: Seventeen employees of the French nongovernmental organization ACF International were massacred in Mutur.

August 4th, 1997

French supercentenarian Jeanne Calment died at the age of 122 years, 164 days, with the longest confirmed human lifespan in history.

August 4th, 1995

Yugoslav Wars: The Croatian Army initiated Operation Storm, the last major battle of the Croatian War of Independence and the largest European land battle since the Second World War.

August 4th, 1993

Yōhei Kōno, Chief Cabinet Secretary of Japan, issued a formal apology for forcing women into sexual slavery during World War II.

August 4th, 1991

An explosion on the Greek cruise ship MTS Oceanos (pictured) ruptured its hull, causing it to sink off the east coast of South Africa, with all 571 people on board rescued.

August 4th, 1983

Jean-Baptiste Ouédraogo, the president of Upper Volta, was ousted in a coup d'état led by Thomas Sankara.

August 4th, 1972

President Idi Amin announced the expulsion of Asians from Uganda.

August 4th, 1964

Vietnam War: The National Security Agency falsely claimed that a U.S. Navy destroyer was attacked a second time by North Vietnamese vessels in the Gulf of Tonkin, leading Congress to authorize the use of military force.

August 4th, 1914

World War I: Adhering to the terms of the Treaty of London, the United Kingdom declared war on Germany in response to the latter's invasion of Belgium.

August 4th, 1892

Lizzie Borden's father and stepmother were found murdered in their home in Fall River, Massachusetts; Borden was later tried and acquitted for the murders.

August 4th, 1830

American surveyor James Thompson produced the first plat of Chicago for the Illinois and Michigan Canal Commissioners.

August 4th, 1796

French Revolutionary Wars: Commanded by Napoleon Bonaparte (depicted), the French Army of Italy decisively defeated Austrian forces led by Peter Vitus von Quosdanovich at the Battle of Lonato.

August 4th, 1791

The signing of the Treaty of Sistova brought an end to the Austro-Turkish War.

August 4th, 1783

Mount Asama (pictured) in Japan began a climactic eruption, which exacerbated the Great Tenmei famine and led to thousands of deaths.

Birthdays
... of famous people, actors, celebrities and stars on August 4th

Same year
Born in 1740

74

Marquis de Sade

French nobleman, revolutionary politician, philosopher and writer of erotic works

*June 2nd, 1740, Paris †December 2nd, 1814, Saint-Maurice

73

Louis-Sébastien Mercier

French dramatist and writer (1740-1814)

*June 6th, 1740, Paris †April 25th, 1814, Paris

62

Samuel Arnold

English composer and organist (1740-1802)

*August 10th, 1740, London †October 22nd, 1802, London

23

Ivan VI of Russia

The fifth Emperor of Russia (1740–1741)

*August 12th, 1740, Saint Petersburg †July 5th, 1764, Shlisselburg

74

Margaret Bingham

British painter and writer (1740–1814)

*January 1st, 1740, Devon †February 27th, 1814, St James's Place

54

James Boswell

British lawyer, diarist, and author (1740–1795)

*October 18th, 1740, Edinburgh †May 19th, 1795, London

96

John Latham

English physician, naturalist and author (1740-1837)

*June 27th, 1740, Eltham †February 4th, 1837, Winchester

73

Go-Sakuramachi

Empress regnant of Japan (1740-1813)

*September 23rd, 1740, Kyoto †December 24th, 1813, Kyoto

67

Jeanne Baret

French explorer, naturalist and botanist (1740-1807)

*July 27th, 1740, La Comelle †August 5th, 1807, Brest

55

Carl Michael Bellman

Swedish poet, songwriter and composer (1740–1795)

*February 4th, 1740, Maria Magdalena parish †February 11th, 1795, Klara Church Parish

54

Nicolas Chamfort

French journalist and moralistic author

*April 6th, 1740, Clermont-Ferrand †April 13th, 1794, Paris

74

Matthias Claudius

German poet (1740-1815)

*August 15th, 1740, Reinfeld †January 21st, 1815, Hamburg

58

Horace Bénédict de Saussure

Genevan scientist (1740-1799)

*February 17th, 1740, Conches †January 22nd, 1799, Geneva

99

Heinrich Dietrich von Grolman

German judge (1740-1840)

*December 31st, 1740, Bochum †October 21st, 1840, Berlin

53

Jozafat Bastašić

Roman Catholic bishop

*May 1st, 1740, Croatia †August 28th, 1793, Križevci

58

William Paca

American judge (1740–1799)

*October 31st, 1740, Abingdon-on-Thames †October 23rd, 1799, Queen Anne's County

51

Giovanni Cristofano Amaduzzi

Italian classical philologist (1740-1792)

*August 18th, 1740, Savignano sul Rubicone †January 21st, 1792, Rome

49

Jacques-André Mallet

Genevan astronomer (1740-1790)

*September 23rd, 1740, Geneva †January 31st, 1790, Geneva

77

Jean Baptiste Camille Canclaux

French general (1740-1817)

*August 2nd, 1740, Paris †December 27th, 1817, Paris

81

Pierre Melchior d'Adhémar

French soldier

*July 15th, 1740, Saint-Maurice-de-Cazevieille †September 2nd, 1821, Aimargues

Birthdays of famous people

Public holidays on August 4th

Fixed holidays (Christian feast day) which are celebrated on August 4th.

Date as a Roman numeral / digit

Leap year

Yes: 1740 is a leap year, therefore has a 29th of February with an additional leap day and a total of 366 days (instead of the usual 365 days in a normal year).

Calendar
August 1740