Nicolò Amati ( December 3, 1596 – April 12, 1684 ) was the son of Girolamo Amati.

* Alexandra Mavrokordatou ( 1605 – 1684 ), Greek intellectual

* 1684 – Isaac Newton's derivation of Kepler's laws from his theory of gravity, contained in the paper De motu corporum in gyrum, is read to the Royal Society by Edmund Halley.

* 1629 – Pieter de Hooch, Dutch painter ( d. 1684 )

* Karl Eusebius of Liechtenstein ( 1611 – 1684 ), the second prince of Liechtenstein

* 1684 – Matthias Braun, Czech sculptor ( d. 1738 )

The War of the Reunions broke out ( 1683 – 1684 ), and again Spain, with its ally the Holy Roman Empire, was easily defeated.

* 1684 – The charter of the Massachusetts Bay Colony is revoked via a scire facias writ issued by an English court.

* 1630 – John Rogers, American educator ( d. 1684 )

* 1684 – Francesco Manfredini, Italian composer ( d. 1762 )

* 1748 – Arnold Drakenborch, Dutch classical scholar ( b. 1684 )

* 1684 – Françoise Charlotte d ' Aubigné, French wife of Adrien Maurice de Noailles ( d. 1739 )

* 1684 – William Pulteney, 1st Earl of Bath, English politician ( d. 1764 )

* 1684 – Edward Vernon, English Royal Navy admiral ( d. 1757 )

* 1684 – Antoine Watteau, French painter ( d. 1721 )

* 1684 – Kurt Christoph Graf von Schwerin, Prussian field marshal ( d. 1757 )

Henry Corbin, Sr. ( 1629 – 1676 ) and Alice ( Eltonhead ) Burnham ( c. 1627 – 1684 ).

An uprising by soldiers and planters in 1684 during the governorship of John Blackmore ( 1678 – 1689 ) led to the death of three mutineers in an attack on Fort James and the later execution of four others.

During the Qing Dynasty, Shanghai became one of the most important sea ports in the Yangtze Delta region as a result of two important central government policy changes: First, Emperor Kangxi ( 1662 – 1723 ) in 1684 reversed the previous Ming Dynasty prohibition on ocean going vessels – a ban that had been in force since 1525.

* 1684 – Johann Gottfried Walther, German composer ( d. 1748 )

* 1683 – 1684, " The Great Frost ", when the Thames, hosting one of many River Thames frost fairs, was frozen all the way up to the London Bridge and remained frozen for about two months.

* July 24 – George Vertue, English engraver and antiquary ( b. 1684 )

* Edme Mariotte, French physicist ( died 1684 )

Edme Mariotte ( Til-Châtel c. 1620-Paris 12 May 1684 ) was a French physicist and priest.

Edme quitted the Academy in 1681 and died on the 12th of May 1684.

The theorem of Torricelli was employed by many succeeding writers, but particularly by Edme Mariotte ( 1620 – 1684 ), whose Traité du mouvement des eaux, published after his death in the year 1686, is founded on a great variety of well-conducted experiments on the motion of fluids, performed at Versailles and Chantilly.

His medical reputation was based on his Tuta ac efficax luis venereae saepe absque mercurio ac semper absque salivatione mercuriali curando methodus ( 1684 ) which was translated into French, Dutch and German.

In 1684 the French and Spanish signed the Treaty of Ratisbon that included provisions to suppress the actions of the Caribbean privateers, which effectively ended the era of the buccaneers on Tortuga, many being employed by the French Crown to hunt down any of their former comrades who preferred to turn outright pirate.

* June 6 – Pierre Corneille, French author ( d. 1684 )

* April 30 – François d ' Agincourt, French composer ( b. 1684 )

* June 15 – Marguerite De Launay, Baronne Staal, French writer ( b. 1684 )

* May 5 – Jean Astruc, French physician and scholar ( b. 1684 )

* December 19 – Jean-Baptiste van Loo, French painter ( b. 1684 )

* July 18 – Antoine Watteau, French painter ( b. 1684 )

Genoa held out against a second Austrian siege and after the plan of campaign had as usual been referred to Paris and Madrid, it was relieved, though a picked corps of the French army under the Chevalier de Belle-Isle ( 1684 – 1747 ), brother of the marshal, was defeated in the attempt ( 10 July ) to storm the entrenched pass of Exilles ( Colle dell ' Assietta ), the chevalier, and with him much of the elite of the French nobility, being killed at the barricades.

Pierre Corneille (; 6 June 1606 – 1 October 1684 ) was a French tragedian who was one of the three great seventeenth-century French dramatists, along with Molière and Racine.

* Henri Dumont ( 1610 – 1684 ), French musician and composer

In May 1625 the French-Savoian army that invaded the Republic was successfully driven out by the combined Spanish and Geonese armies. In May 1684, as a punishment for Genoese support for Spain, the city was subjected to a French naval bombardment, with some 13, 000 cannonballs aimed at the city.

The international crises of the 17th century, which ended for Genoa with the 1684 bombardment by King Louis XIV ’ s fleet, restored the French influence over the republic.

Earlier attempts had been made by the Spanish in what is now Georgia ( San Miguel de Gualdape, 1526 – 27 ; several Spanish missions in Georgia between 1568 and 1684 ), South Carolina ( Santa Elena, 1566 – 87 ), North Carolina ( Joara, 1567 – 68 ) and Virginia ( Ajacán Mission, 1570 – 71 ); and by French in South Carolina ( Charlesfort, 1562 – 63 ).

On July 24, 1684, La Salle departed France and returned to America with a large expedition designed to establish a French colony on the Gulf of Mexico, at the mouth of the Mississippi River.

In response, representatives from the Emperor, the south German princes, Spain ( motivated by the French attack in 1683 and the imposed truce of 1684 ), and Sweden ( in their capacity as princes within the Empire ) met in Augsburg to form a defensive league of the Rhine in July 1686.

The day after Louis XIV issued his manifesto – well before his enemies could have known its details – the main French army crossed the Rhine as a prelude to investing Philippsburg, the key post between Luxembourg ( annexed in 1684 ) and Strasbourg ( seized in 1681 ), and other Rhineland towns.

* June 15-Marguerite De Launay, Baronne Staal, French writer ( born 1684 )

** Antoine Gombaud, French essayist ( died 1684 )