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* 1684 – Isaac Newton proves that planets moving under an inverse-square force law will obey Kepler's laws
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1684 and –
* 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.
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.
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.
* 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.
1684 and Isaac
De motu corporum in gyrum ( Latin )( translated as " On the motion of bodies in an orbit ") is the ( presumed ) title of a manuscript by Isaac Newton sent to Edmond Halley in November 1684.
1684 and Newton
Halley's visits to Newton in 1684 thus resulted from Halley's debates about planetary motion with Wren and Hooke, and they seem to have provided Newton with the incentive and spur to develop and write what became Philosophiae Naturalis Principia Mathematica ( Mathematical Principles of Natural Philosophy ).
) Halley then had to wait for Newton to ' find ' the results, but in November 1684 Newton sent Halley an amplified version of whatever previous work Newton had done on the subject.
The contents of ' De motu ...' so excited Halley by their mathematical and physical originality and far-reaching implications for astronomical theory, that he immediately went to visit Newton again, in November 1684, to ask Newton to let the Royal Society have more of such work.
Other evidence also shows Newton's absorption in the Principia: Newton for years kept up a regular programme of chemical or alchemical experiments, and he normally kept dated notes of them, but for a period from May 1684 to April 1686, Newton's chemical notebooks have no entries at all.
Gottfried Leibniz developed his calculus around 1673, and published it in 1684, fifty years before Newton.
It appears that Hooke professed to have a solution of the problem of the path of a body moving round a centre of force attracting as the inverse square of the distance, but Halley declared after a delay of some months that Hooke " had not been so good as his word " in showing his solution to Wren, and started for Cambridge, in the month of August 1684, to consult Newton on the subject.
On his return to London on 10 December 1684, he informed the Royal Society " that he had lately seen Mr Newton at Cambridge, who had showed him a curious treatise De Motu ", which at Halley's desire he promised to send to the Society to be entered upon their register.
) Halley reported the communication from Newton to the Royal Society on 10 December 1684 ( Julian calendar ).
The details of Edmund Halley's visit to Newton in 1684 are known to us only from reminiscences of thirty to forty years later.
1684 and moving
In 1684, however, the calendar was altered so that the new moon fell on the first day of each month, moving the full moon two days later, to the 15th day of the month.
1684 and under
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.
The House of Assembly was created under that company, which continued to appoint Governors until it was dissolved in 1684, with the Crown assuming responsibility for the Colony's administration.
Popular tradition maintains that Church Creek predates Cambridge, Maryland as the earliest settlement in Dorchester County, first established at some point before 1684 under the name Dorchester Town and then White Haven.
Ongoing political difficulties with England after the English Restoration led to the revocation of the colonial charter in 1684 ; King James II established the Dominion of New England in 1686 to bring all of the New England colonies under firmer crown control.
Fell probably had some share in the composition of The Whole Duty of Man, and in the subsequent works published under the name of the author of The Whole Duty, which included Reasons of the Decay of Christian Piety, The Ladies ' Calling, The Gentleman's Calling, The Government of the Tongue, The Art of Contentment, and The Lively Oracles given us, all of which were published in one volume with notes and a preface by Fell in 1684.
In a debate in the cabinet of November 1684, on the question of the grant of a fresh constitution to the New England colonies, he urged with great warmth " that there could be no doubt whatever but that the same laws which are in force in England should also be established in a country inhabited by Englishmen and that an absolute government is neither so happy nor so safe as that which is tempered by laws and which sets bounds to the authority of the prince ," and declared that he could not " live under a king who should have it in his power to take, whenever he thought proper, the money he has in his pocket.
The first grant of land under the seigneurial system was in 1684 to Pierre Cabassier, for a lot just east of Pointe Charlebois.
Fran Dživo Gundulić and Mato Gundulić ( 1636 – 1684 ) fought in the thirty-years war under Wallenstein ; the youngest died on January 16, 1682, being by then the Rector of the Republic.
The Society also published an English translation of Essays of Natural Experiments Made in the Accademia del Cimento, under the Protection of the Most Serene Prince Leopold of Tuscany in 1684, an Italian book documenting experiments at the Accademia del Cimento.
The term " self-governing colony " has sometimes been used in relation to the direct rule of a Crown Colony by an executive governor, elected under a limited franchise, such as in Massachusetts between 1630 and 1684.
In 1684 ( the 23rd year of Kangxi, the Qing Dynasty, see Taiwan under Qing Dynasty rule ), Taiwan was established as Taiwan Sub-Province governing three counties, Taiwan ( 台灣 ) and Feng-Shan, which were divided from Wan-Nien County in Ming Dynasty, and Chu-Lo ( 諸羅縣 ), which was changed from Tien-Hsing County.
Kurt Christoph Graf von Schwerin ( 26 October 1684 – 6 May 1757 ) was a Prussian Generalfeldmarschall, one of the leading commanders under Frederick the Great.
Mounted archery was revived in the Edo Period ( 1600 – 1867 ) by Ogasawara Heibei Tsuneharu ( 1666 – 1747 ) under the command of the shogun Tokugawa Yoshimune ( 1684 – 1751 ).
Rainbowe died on 26 March 1684, and was buried, by his own request, at Dalston ( 1 April ), under a plain stone, with a simple inscription.
" It is important to note that because of European economic pressure the Kingdom of Kongo had officially converted to Catholicism while still an independent nation during the late 15th century and that the African-Catholic syncretic movement extended well into the era of slavery, reaching its height under the leadership of Kimpa Vita ( 1684 – 1706 ), who promoted Saint Anthony of Padua as " a second God.
A step which did much to establish his position was the publication in 1684 of a volume of Miscellany Poems, under Dryden's editorship.
In 1684 Nicholas Foucault, intendant under Louis XIV, was more successful, as the inhabitants, ostensibly at least, renounced Protestantism, which is nevertheless still strong in the town.
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