Born on August 17th, 1640
Weekday
Friday
August 17th, 1640 was a Friday.
Zodiac
♌
Leo (The Lion)
July 23rd, 1640 - August 23rd, 1640
Age in days, weeks and months
Wow, over 140,000 days old!
Why not celebrate an alternative birthday? In 859 days, exactly on September 3rd, 2026, people who were born on August 17th, 1640 will be 141,000 days old!
140,141 Days
20,020 Weeks
4,604 Months
... in seconds, minutes and hours
Seconds
Minutes
Hours
What happened on August 17th?
Birthdays
... of famous people, actors, celebrities and stars on August 17th
Same Day
Who's birthday is on August 17th?
45 Vibeke Stene
Gothic metal soprano singer, ex female vocals of Tristania
*August 17th, 1978, Sokndal.jpg "Robert De Niro")
63 Pierre de Fermat
French mathematician and lawyer
*August 17th, 1601, Beaumont-de-Lomagne †January 12th, 1665, Castres
54 Markus Gisdol
German association football player and manager
*August 17th, 1969, Geislingen an der Steige
John III Sobieski
King of Poland and Grand Duke of Lithuania (1629–1696)
*August 17th, 1629, Olesko †June 17th, 1696, Wilanów Palace
.jpg "Ingrid Daubechies")
Robert von Mohl
German legal scholar and politician (1799–1875)
*August 17th, 1799, Stuttgart †November 4th, 1875, Berlin
96 Jiang Zemin
General Secretary of the Communist Party of China from 1989 to 2002
*August 17th, 1926, Yangzhou †November 30th, 2022, Shanghai
.jpg "Julian Fellowes")
74 Julian Fellowes
English actor, dramatist, director, novelist, producer and screenwriter
*August 17th, 1949, CairoSame year
Born in 1640
48 Aphra Behn
British playwright, poet and spy (1640–1689)
*July 10th, 1640, Canterbury †April 16th, 1689, London
64 Leopold I, Holy Roman Emperor
Holy Roman Emperor (1658-1705), King of Hungary and Croatia and King of Bohemia
*June 9th, 1640, Vienna †May 5th, 1705, Vienna.jpg "Philippe de La Hire")
78 Philippe de La Hire
French mathematician and astronomer (1640-1718)
*March 18th, 1640, Paris †April 21st, 1718, Paris
56 Georg Mohr
Danish mathematician
*April 1st, 1640, Copenhagen †January 26th, 1697, Sławnikowice, Lower Silesian Voivodeship.jpg "Charles-René d'Hozier")
91 Charles-René d'Hozier
French historian (1640-1732)
*February 24th, 1640, Paris †February 13th, 1732, Paris
55 Robert Plot
English scientist
*December 13th, 1640, Sutton Baron And Sutton Baron Hall †April 30th, 1696, Kent
75 Jacques d'Agar
French painter (1640-1715)
*March 9th, 1640, Paris †November 16th, 1715, Copenhagen
85 Pierre II Mignard
French architect (1640-1725)
*February 20th, 1640, Avignon †April 10th, 1725, Avignon
84 Jonathan Singletary Dunham
American settler (1640-1724)
*January 17th, 1640, Newbury †September 6th, 1724
Philippe, Duke of Orléans
French prince (1640-1701)
*September 21st, 1640, Saint-Germain-en-Laye †June 9th, 1701, Saint-CloudMichał Korybut Wiśniowiecki
King of Poland and Grand Duke of Lithuania (1669-1673)
*May 31st, 1640, Bilyi Kamin †November 10th, 1673, LvivMadame de Montespan
French noble, mistress of Louis XIV; (1640-1707)
*October 5th, 1640, Lussac-les-Châteaux †May 27th, 1707, Bourbon-l'ArchambaultPu Songling
Chinese writer (1640–1715)
*June 5th, 1640, Zichuan District †February 25th, 1715, Zichuan DistrictLudmilla Elisabeth of Schwarzburg-Rudolstadt
German noblewoman; Countess of Schwarzburg-Rudolstadt and hymn poet (1640-1672)
*April 7th, 1640, Rudolstadt †March 12th, 1672, RudolstadtJohann Heinrich Hävecker
German historian and theologian
*August 20th, 1640, Calbe †July 18th, 1722, CalbeBirthdays of famous people
.jpg "Melanie Martinez")
Public holidays on August 17th
Fixed holidays (Christian feast day) which are celebrated on August 17th.
Samuel Johnson, Timothy Cutler, and Thomas Bradbury Chandler (Episcopal Church)
Christian feast dayen.wikipedia.org/wiki/Samuel_Johnson_(American_educator)August 17 (Eastern Orthodox liturgics)
Christian feast dayen.wikipedia.org/wiki/August_17_(Eastern_Orthodox_liturgics)Engineer's Day (Colombia)
en.wikipedia.org/wiki/Engineer's_DayFlag Day (Bolivia)
en.wikipedia.org/wiki/Public_holidays_in_BoliviaIndependence Day, celebrates the independence proclamation of Indonesia from Japan in 1945.
en.wikipedia.org/wiki/Independence_Day_(Indonesia)Independence Day, celebrates the independence of Gabon from France in 1960.
en.wikipedia.org/wiki/Public_holidays_in_GabonMarcus Garvey Day (Jamaica)
en.wikipedia.org/wiki/Marcus_GarveyPrekmurje Union Day (Slovenia)
en.wikipedia.org/wiki/Public_holidays_in_SloveniaSan Martin Day (Argentina)
en.wikipedia.org/wiki/Public_holidays_in_ArgentinaBlack Cat Appreciation Day (United States)
en.wikipedia.org/wiki/Black_catDate as a Roman numeral / digit
17.8.1640
Legend
| M = 1000 | D = 500 | C = 100 | XL = 40 | X = 10 | V = 5 | I = 1 |
Leap year
Yes: 1640 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).