January 28th, 1646

Born on January 28th, 1646

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

Why not celebrate an alternative birthday? In 40 days, exactly on August 24th, 2026, people who were born on January 28th, 1646 will be 139,000 days old!

... in seconds, minutes and hours

What happened on January 28th?

January 28th, 0661

Ali, the fourth Islamic caliph, was assassinated, effectively ending the Rashidun Caliphate.

January 28th, 1981

U.S. president Ronald Reagan lifted price controls from petroleum products, contributing to the 1980s oil glut.

January 28th, 1961

In Gitarama, Rwanda, local and other government officials initiated a coup to overthrow the monarchy and establish a republic.

January 28th, 1521

Charles V and the estates of the Holy Roman Empire met at the Diet of Worms to discuss Martin Luther and the effects of the Protestant Reformation.

January 28th, 1916

The province of Manitoba passed a law that first granted some Canadian women the right to vote.

January 28th, 1671

Anglo-Spanish War: In pursuit of retreating Spanish troops, English soldiers sacked the city of Panama.

January 28th, 1986

The Space Shuttle Challenger disintegrated 73 seconds into its tenth mission (video featured), killing all seven crew members.

January 28th, 1984

Tropical Storm Domoina made landfall in southern Mozambique, causing some of the most severe flooding recorded in the region.

January 28th, 1964

Three U.S. Air Force pilots aboard an unarmed T-39 Sabreliner were killed when the aircraft was shot down over Erfurt, East Germany, by a Soviet MiG-19.

January 28th, 1958

The Lego Group, a Danish toy company, filed a patent in Denmark for the design of Lego bricks.

January 28th, 1941

World War II: About three hours after Thai bombers raided Sisophon, a ceasefire paused hostilities in the Franco-Thai War.

January 28th, 1933

Choudhry Rahmat Ali published a pamphlet in which he called for the creation of a Muslim state in north-western India that he termed "Pakstan".

January 28th, 1922

The largest recorded snowstorm in the history of Washington, D.C., collapsed the Knickerbocker Theatre (damage pictured), killing 98 people.

January 28th, 1813

English author Jane Austen's novel Pride and Prejudice was published, using material from an unpublished manuscript originally written between 1796 and 1797.

January 28th, 1754

The word serendipity, derived from the Persian fairy tale The Three Princes of Serendip, was coined by Horace Walpole (pictured) in a letter to a friend.

Birthdays
... of famous people, actors, celebrities and stars on January 28th

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 January 28th

Fixed holidays (Christian feast day) which are celebrated on January 28th.

Date as a Roman numeral / digit

Leap year

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

Calendar
January 1646