* 1630 – Thomas Clifford, 1st Baron Clifford of Chudleigh, English politician ( d. 1673 )

* 1673 – John Ker, Scottish spy ( d. 1726 )

Ahmed III ( Ottoman Turkish: احمد ثالث Aḥmed-i < u > s </ u > āli < u > s </ u >) < span dir =" ltr ">( December 30 / 31, 1673 – July 1, 1736 )</ span > was Sultan of the Ottoman Empire and a son of Sultan Mehmed IV ( 1648 – 87 ).

* 1673 – Richard Mead, English physician ( d. 1754 )

* 1673 – Wilhelmina Amalia of Brunswick, Holy Roman Empire Empress ( d. 1742 )

* 1722 – Robert Beverley, Jr., American historian ( b. 1673 )

* 1673 – Margaret Cavendish, English writer ( b. 1623 )

* 1625 – Johann Rudolph Ahle, German composer, organist, theorist, and Protestant church musician ( d. 1673 )

* 1673 – Ahmed III, Ottoman Sultan ( d. 1736 )

* 1616 – Kaspar Förster, German singer and composer ( d. 1673 )

* John Gordon ( 1673 – 1675 )

Further imprisonments came at London in 1654, Launceston in 1656, Lancaster in 1660, Leicester in 1662, Lancaster again and Scarborough in 1664 – 66 and Worcester in 1673 – 75.

The second Khoikoi-Dutch war ( 1673 – 1677 ) was a cattle raid.

* 1622 – Molière, French playwright ( d. 1673 )

* 1673 – French explorers Jacques Marquette and Louis Jolliet reach the Mississippi River and become the first Europeans to make a detailed account of its course.

* 1673 – Antonio de Literes, Spanish composer ( d. 1747 )

* 1641 – Regnier de Graaf, Dutch physician and anatomist ( d. 1673 )

* 1617 – Kristoffer Gabel, Danish statesman ( d. 1673 )

* 1673 – James Brydges, 1st Duke of Chandos, English noble ( d. 1744 )

* 1673 – Louis Joliet and Jacques Marquette begin exploring the Mississippi River.

* 1673 – John Berkeley, 1st Baron Berkeley of Stratton sells his part of New Jersey to the Religious Society of Friends, commonly known as Quakers.

* 1673 – Second Battle of Khotyn in Ukraine: Polish-Lithuanian Commonwealth forces under the command of Jan Sobieski defeat the Ottoman army.

* 1606 – Jeanne Mance, French settler of New France ( d. 1673 )

* Dimitrie Cantemir ( 1673 – 1723 ) Moldavian.

Dimitrie Cantemir (; 1673 – 1723 )

Prominent figures in Moldova's cultural development include mitropolitans Varlaam and Dosoftei, Grigore Ureche, Miron Costin, mitropolitan of Kiev Petru Movilă, scholars Nicolae Milescu-Spãtaru, Dimitrie Cantemir ( 1673 – 1723 ), and Ion Neculce, Gavriil Bănulescu-Bodoni, Alexandru Hîjdău, Alexandru Donici, Constantin Stamati, Costache Negruzzi, historian and philologist Bogdan P. Hasdeu ( 1836 – 1907 ), author Ion Creangă ( 1837 – 1889 ), and poet Mihai Eminescu ( 1850 – 1889 ).

* August 21 – Dimitrie Cantemir, prince and polymath ( born 1673 )

* August 21-Dimitrie Cantemir, first author in the Romanian language ( born 1673 )

The first successful attempts at written Romanian-language poetry were made in 1673 when Dosoftei, a Moldavian metropolitan in Iaşi, published a Romanian metrical psalter.

Dosoftei, a Moldavian published in Poland in 1673, was the first Romanian metrical psalter, producing the earliest known poetry written in Romanian.

His father was Christian Augustus ( 1673 — 1726 ) duke and a younger prince of Schleswig-Holstein-Gottorp, prince-bishop of Lubeck, and administrator, during the Great Northern War, of the duchies of Holstein-Gottorp for his relative Charles Frederick.

When the Rebellion of the Three Feudatories erupted in 1673, the Chahar Mongol prince revolted against the Qing Dynasty.

* Hedwig Elisabeth Amalia ( 1673 – 1722 ), married in 1691 to crown prince James Louis Sobieski of Poland ; present Princes of Guéméné descend from them.

In the campaign of 1673 he completely outmanoeuvred his rival Turenne on the Neckar and the Rhine, captured Bonn and joined his army with that of the prince of Orange on the lower Rhine.

Margaret Cavendish, Duchess of Newcastle-upon-Tyne ( 1623 – 15 December 1673 ) was an English aristocrat, a prolific writer, and a scientist.

Another popular practice of the cunning folk was the casting of spells or charms to ensure a spouse's fidelity, preventing them from committing adultery, for instance, a cunning man from Newcastle, Peter Banks, was charged in 1673 – 74 for offering to draw up a magical contract which would bind a husband to staying loyal to his wife for a year.

When Prence died in 1673 and Winslow became governor, King Philip was very displeased to have to conduct business with a man he immensely disliked.

The word Unitarian had been circulating in private letters in England, in reference to imported copies of such publications as the Library of the Polish Brethren who are called Unitarians ( 1665 ), Henry Hedworth was the first to use the word " Unitarian " in print in English ( 1673 ), and the word first appears in a title in Stephen Nye's A brief history of the Unitarians, called also Socinians ( 1687 ).

By 1673, Mme de Sévigné's letters were being copied and circulated.

In 1673, a French ecclesiastical mission arrived at the Siamese court with letters from Pope Clement IX and King Louis XIV of France.

* Margaret Cavendish, Duchess of Newcastle-upon-Tyne ( 1623 – 1673 ), English aristocrat, writer, and philosopher

** Margaret Cavendish, Duchess of Newcastle, biographer, poet and philosopher ( died 1673 )

* probable date-Margaret Lucas, later Margaret Cavendish, Duchess of Newcastle-upon-Tyne, English natural philosopher ( died 1673 )