* 1643 – Afonso VI of Portugal ( d. 1683 )

Ahmed II Khan Ghazi ( Ottoman Turkish: احمد ثانى Aḥmed-i < u > s </ u > ānī ) < span dir =" ltr ">( February 25, 1643 – February 6, 1695 )</ span > was the Sultan of the Ottoman Empire from 1691 to 1695.

* Alfonso VI of Portugal ( 1643 – 1667 ) second king of the House of Braganza

* 1643 – Christoph Demantius, German composer ( b. 1567 )

* Jean du Vergier de Hauranne, ( 1581 – 1643 ), theologian, who introduced Jansenism into France.

* Charles V, Duke of Lorraine ( 1643 – 1690 )

Claudio Giovanni Antonio Monteverdi (; 15 May 1567 ( baptized ) – 29 November 1643 ) was an Italian composer, gambist, and singer.

** Louis XIII ( 1610 – 1643 )

** Louis XIV ( 1643 – 1715 )

** Louis II ( 1610 – 1643 )

** Louis III ( 1643 – 1715 )

* Louis XIII ( 1610 – 1643 )

* Louis XIV ( 1643 – 1715 )

* 1567 – Christoph Demantius, German composer, music theorist, writer and poet ( d. 1643 )

* 1643 – English Civil War: The Battle of Alton takes place in Hampshire.

Louis XIV of France ( 1643 – 1715 ) strongly promoted the theory as well.

The famous fugue composer Johann Sebastian Bach ( 1685 – 1750 ) shaped his own works after those of Johann Jakob Froberger ( 1616 – 1667 ), Johann Pachelbel ( 1653 – 1706 ), Girolamo Frescobaldi ( 1583 – 1643 ), Dieterich Buxtehude ( c. 1637 – 1707 ), and other composers.

* 1568 – Juan Bautista Comes, Spanish composer ( d. 1643 )

* 1643 – Johann Kasimir Kolbe von Wartenberg, first Prime Minister of the Kingdom of Prussia ( d. 1712 )

* 1643 – John Sharp, English Archbishop of York ( d. 1714 )

** Louis XIII the Just and his minister Cardinal Richelieu, 1610 – 1643

Notable English autobiographies of the 17th century include those of Lord Herbert of Cherbury ( 1643, published 1764 ) and John Bunyan ( Grace Abounding to the Chief of Sinners, 1666 ).

Near the start of the English Civil War, on 18 August 1643 Parliament passed " An Ordinance for Explanation of a former Ordinance for Sequestration of Delinquents Estates with some Enlargements.

The Duke of Marlborough holds certain subsidiary titles: Marquess of Blandford ( created 1702 ), Earl of Sunderland ( 1643 ), Earl of Marlborough ( 1689 ), Baron Spencer, of Wormleighton ( 1603 ), and Baron Churchill, of Sandridge ( 1685 ) ( all are in the English peerage ).

In 1643 there appeared Ivan Uzhevych's Grammatica sclavonica and, in 1762, the Short Introduction to English Grammar of Robert Lowth was also published.

In 1643 an English expedition destroyed the city of Trujillo, Honduras's main port.

Since antiquity in various parts of the world, and since the 17th century in England, it had been known that citrus fruit had an antiscorbutic effect, when John Woodall ( 1570 – 1643 ), an English military surgeon of the British East India Company recommended them but their use did not become widespread.

* 1643 – John Strype, English historian and biographer ( d. 1737 )

On 13 March 1643, in the early stages of the English Civil War, Cosin was expelled from his position by a Parliamentary ordinance from the Earl of Manchester.

** Bevil Grenville, English royalist soldier ( d. 1643 )

) – Henry Glapthorne, English dramatist ( d. c. 1643 )

* December 11 – John Strype, English historian and biographer ( b. 1643 )

* February 2 – John Sharp, English Archbishop of Yorkshire ( b. 1643 )

* July 20 – Anne Hutchinson, English Puritan preacher ( d. 1643 )

** Aurelian Townshend, English poet ( d. 1643 )

In 1641 Massachusetts Bay had passed the first laws to make slavery legal in the English colonies, and these laws spread to Plymouth and Connecticut with the creation of the United Colonies in 1643.

There is a popular myth in Gloucester that the famous children's rhyme, Humpty Dumpty, is about a battering ram used in the siege of Gloucester in 1643, during the English Civil War.

The suggestion that Humpty Dumpty was a " tortoise " siege engine, an armoured frame, used unsuccessfully to approach the walls of the Parliamentary held city of Gloucester in 1643 during the Siege of Gloucester in the English Civil War, was put forward in 1956 by Professor David Daube in The Oxford Magazine of February 16, 1956, on the basis of a contemporary account of the attack, but without evidence that the rhyme was connected.

Parts of First Court were used as a prison in 1643 during the English Civil War.

The English word " squash " derives from askutasquash ( a green thing eaten raw ), a word from the Narragansett language, which was documented by Roger Williams, the founder of Rhode Island, in his 1643 publication A Key Into the Language of America.

In late 1643, the English Civil War widened.

* John Hampden ( circa 1595 – 1643 ), English politician and Roundhead in the English Civil War