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

In 1673, there arrived at Rome ambassadors from the Grand Duke of Muscovy, Alexei not John Basilowitz.

* August 9 – James Brydges, 1st Duke of Chandos, English patron of the arts ( b. 1673 )

# The Quadruple Alliance of August 1673 was an alliance among the Holy Roman Empire, the Kingdom of Spain, Charles IV, Duke of Lorraine, and the United Provinces of the Netherlands, in the context of the Franco-Dutch War.

In 1673, the Duke of York's conversion to Roman Catholicism became public.

Michał Korybut Wiśniowiecki (, ; May 31, 1640 – November 10, 1673 ), son of Jeremi Wiśniowiecki and his wife Gryzelda Konstancja Zamoyska, was ruler of the Polish – Lithuanian Commonwealth as King of Poland and Grand Duke of Lithuania from September 29, 1669, to his death in 1673.

The new Duchess of Orléans, who had converted from Protestantism to Catholicism just before entering France, was popular at court upon her arrival in 1671 and quickly became the mother of Alexandre Louis d ' Orléans in 1673, another short-lived Duke of Valois.

As the second living son of his parents, his birth was not greeted with the enthusiasm the Duke of Valois had received in 1673.

James II, as Duke of York and Lord Admiral until 1673, was often at Greenwich with his brother Charles and, according to Samuel Pepys, he proposed the idea of creating a Royal Naval Hospital.

As Royalist supporters ( despite the fact that Sarah's great uncle, James Temple, was convicted of regicide ), the Jennings ' loyalty to the crown, like the Churchill's, was repaid with court employment, and in 1673 Sarah followed her sister Frances into the household of the Duchess of York, Mary of Modena, second wife to James, Duke of York.

A devout Catholic, Mary became, in 1673, the second wife of James, Duke of York, who later succeeded his older brother Charles II as King James II.

Within a year of conferring the crown matrimonial on Countess Reventlow, Frederick also recognized as dynastic the issue of the morganatic marriages of two of his kinsmen, Duke Philip Ernest of Schleswig-Holstein-Glucksburg ( 1673 – 1729 ) and Duke Christian Charles of Schleswig-Holstein-Plön-Norburg ( 1674 – 1706 ), to non-royal nobles.

* Henry FitzJames, 1st Duke of Albemarle, ( 1673 – 1702 )

* William Cavendish, 2nd Duke of Devonshire ( 1673 – 1729 )

** Legitimised in December 1673, and given the title of Duke of Maine ;

By 1673, Ashley was worried that the heir to the throne, James, Duke of York, was secretly a Roman Catholic.

The Duke of York failed to take the Anglican sacrament at Easter 1673, further heightening Shaftesbury's concern that he was secretly a Catholic.

However, in autumn 1673, the Duke of York married the Catholic Mary of Modena by proxy, thus raising the possibility that James might have a son who would succeed to the throne ahead of Mary and Anne and thus give rise to a succession of Catholic monarchs.

* Louis d ' Aubusson, Duke of la Feuillade ( 1673 – 1725 ), Marshal of France in 1724

Thomas Osborne, who became 1st Viscount Osborne ( 1673 ), 1st Viscount Latimer ( 1673 ), 1st Earl of Danby ( 1674 ), 1st Marquess of Carmarthen ( 1689 ) and 1st Duke of Leeds ( 1694 ).

With their local ascendancy, and with Thirlestane Castle becoming even grander, John Maitland, 1st Duke of Lauderdale decided he would demolish the ancient kirk, and had a new church erected by Sir William Bruce in 1673 in the centre of the Royal Burgh.

The part north of New York City became the Upper Boston Post Road laid out on January 22, 1673.

That New York City ( formerly New Amsterdam ) had been retaken by the Dutch in 1673 mattered little in financial respect, like the temporary loss of Saint Helena, but hurt the English reputation.

East Quogue, originally settled in 1673 as Fourth Neck, is a hamlet ( and census-designated place ) in Suffolk County, New York, United States.

When the next session opened in October 1673, Ashley ( now Earl of Shaftesbury ), sensing the new mood, turned up at the House of Lords to loudly denounce the proposed marriage of James of York to the Catholic princess Mary of Modena.

Furthermore, the Lenape, who dominated Delaware Bay, were unhappy with seizures of their lands by Virginia and Maryland settlers, and war between these groups had been imminent in 1673 when the Dutch retook New York.

When the colony of New York was handed over to the Dutch in 1673, the eastern towns, including Southold, Easthampton and Southampton, refused to submit ; the Dutch attempted to force the matter by arms, and the colonists of the towns repelled them, with assistance from Connecticut.

When the Dutch took control of the colony of New York in 1673, the eastern towns, including Southold, East Hampton and Southampton, refused to submit ; the Dutch attempted to force the matter by arms, and the colonists of the towns repelled them, with assistance from Connecticut.

Meanwhile it continued as currency in New York at the rate of eight white or four black wampum equalling one stuiver until 1673.

His administration was terminated by the temporary re-capture of the colony by the Dutch in 1673 when, for a brief period the Dutch Admiral Cornelis Evertsen the youngest captured New York and re-established Nieuw Amsterdam.

Minutes of the Executive Council of the Province of New York: Administration of Francis Lovelace 1668 – 1673.

In July 1673, a Dutch fleet recaptured New York and held it until it was traded to the English by the Treaty of Westminster.

He had already succeeded as 2nd Baronet, of Kiveton, and been created Viscount Osborne, of Dunblane, in 1673, Baron Osborne, of Kiveton in the County of York, and Viscount Latimer, of Danby in the County of York, in 1673, Earl of Danby, in the County of York, in 1674, and Marquess of Carmarthen in 1689.

Between 1673 and 1681, the Emperor Kangxi suppressed an uprising of three generals in Southern China who had been denied hereditary rule to large fiefdoms granted by the previous emperor ; he also put down a Ming restorationist invasion from Taiwan, called the Revolt of the Three Feudatories.

As early as 1673, Louis had by his own power extended the right of the régale over the provinces of Languedoc, Guyenne, Provence, and Dauphiné, where it had previously not been exercised.

Coincidentally, the Company had already sent a replacement governor, Anthony Beale ( 1672 – 1673 ).

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 ).

As early as 1673, just months after Pierrot had made his debut in the Sequel to " The Stone Guest ", Scaramouche Tiberio Fiorilli and a troupe assembled from the Comédie-Italienne entertained Londoners with selections from their Parisian repertoire.

He was not successful in gaining a passage to the sea at the expense of Genoa ( Second Genoese-Savoyard War, 1672 – 1673 ), and had difficulties in retaining the influence of his powerful neighbour France.

In 1673 Dutch scientist Christiaan Huygens in his mathematical analysis of pendulums, Horologium Oscillatorium, showed that a real pendulum had the same period as a simple pendulum with a length equal to the distance between the pivot point and a point called the center of oscillation, which is located under the pendulum's center of gravity and depends on the mass distribution along the length of the pendulum.

Laguna is attested in English by at least 1612, and had been Anglicized to " lagune " by 1673.

Arlington's former secretary, Pierre du Moulin, had after fleeing to the Republic begun to work for William ; in the summer of 1673 he exploited the fears of the English population by starting a propaganda campaign, using one of the Dutch main assets: the world's largest printing capacity.

* On December 27, probably 1673, the feast of St. John, Margaret Mary reported that Jesus permitted her, as he had formerly allowed St. Gertrude, to rest her head upon his heart, and then disclosed to her the wonders of his love, telling her that he desired to make them known to all mankind and to diffuse the treasures of his goodness, and that he had chosen her for this work.

The Test Act of 1673 had driven all Catholics out of public office and anti-Catholic feelings intensified in the years to come.

The monastery was demolished by the Marquis of Mancera in 1673, under the false impression that it had been built without royal permission.

The House of Commons, which had played a significant role in the events of 1673, was comparatively calmed by Danby's orthodox Anglican government and vigorous enforcement of the Test Act.

He had a high reputation as a Grecian, a Latinist and a philologist, and he brought out with the collaboration of others his an edition of St Cyprian in 1682, an English translation of The Unity of the Church in 1681, editions of Nemesius of Emesa ( 1671 ), of Aratus and of Eratosthenes ( 1672 ), Theocritus ( 1676 ), Alcinous on Plato ( 1677 ), St Clement's Epistles to the Corinthians ( 1677 ), Athenagoras ( 1682 ), Clemens Alexandrinus ( 1683 ), Theophilus of Antioch ( 1684 ), Grammatica rationis sive institutiones logicae ( 1673 and 1685 ), and a critical edition of the New Testament in 1675.

He immediately gained a prominent position in the party hostile to the Court, and before he had been in the House of Commons for six months, he proposed a resolution that all " popish recusants " should be removed from military commands ; the motion, enlarged so as to include civil employment, was carried without a division on 28 February 1672 / 1673.

As Lord Chancellor, he addressed the opening of a new session of the Cavalier Parliament on 4 February 1673, calling on parliament to vote funds sufficient to carry out the war, arguing that the Dutch were the enemy of monarchy and England's only major trade rival, and therefore had to be destroyed ( at one point he exclaimed " Delenda est Carthago "); defending the Great Stop of the Exchequer ; and arguing in support of the Royal Declaration of Indulgence.

The English were dismayed by the unexpected fact that Dutch raiders managed to capture more English ships than vice versa and that New Amsterdam had been retaken by the Dutch in 1673.

This has been the case since 1673, when the authority of the Earl Marshal, which the heralds had challenged, was established by a royal declaration stating, among other things, that no patents of arms should be granted without his consent.