* 1668 – William Davenant, English poet ( b. 1606 )

* February 28 – William Davenant, English poet and playwright ( d. 1668 )

While Oxford officially marks the year 1683 as its founding because in that year it was first named by the Maryland General Assembly as a seaport, the town began between 1666 and 1668 when were laid out as a town called Oxford by William Stephens, Jr .. By 1669 one of the first houses was built for Innkeeper Francis Armstrong ( see Talbot County Land Records, A 1, f. 10 / 11 ).

Verstegan's account is also repeated in William Ramesey's Wormes ( 1668 )—"... that most remarkable story in Verstegan, of the Pied Piper, that carryed away a hundred and sixty Children from the Town of Hamel in Saxony, on the 22. of July, Anno Dom.

* Sir William Williams, 6th Baronet ( c. 1668 – 1696 ), Welsh politician

A serious effort was made in 1668 to secure a scheme of comprehension, with William Bates, Richard Baxter and Thomas Manton for the dissenters meeting Wilkins and Hezekiah Burton.

Sir William Davenant ( baptised 3 March 1606 – 7 April 1668 ), also spelled D ' Avenant, was an English poet and playwright.

Buckingham always been an adherent of the French alliance, while Arlington concluded through Sir William Temple in 1668 the Triple Alliance.

Another object of jealousy to Arlington was Sir William Temple, who achieved a great popular success in 1668 by the conclusion of the Triple Alliance ; Arlington endeavoured to procure his removal to Madrid, and entered with alacrity into Charles's plans for destroying the whole policy embodied in the treaty, and for making terms with France.

* William Cecil, 2nd Earl of Salisbury ( 1591 – 1668 )

Sir William Waller ( c. 1597 – 19 September 1668 ) was an English Parliamentary general during the English Civil War.

* William Cecil, 2nd Earl of Salisbury ( 1591 – 1668 ), Knight of the Garter

* Sir William Morice: 27 June 1660 – 29 September 1668

* February 28 – Sir William Davenant, poet and dramatist ( died 1668 )

His campaigning was not yet at an end, for in 1668 he was appointed first Field-Marshal of the States Army and in 1673 he was charged by stadtholder William III to command the forces in Friesland and Groningen, and to defend the eastern frontier of the Provinces, again against Van Galen.

* Bastard brothers John ( c. 1668 – 1770 ) and William ( c. 1689 – 1766 ), British surveyor-architects and civic dignitaries

On 1 April 1668, Lady Mainwaring died, and on 3 November the same year Ashmole married Elizabeth Dugdale ( 1632 – 1701 ), the much younger daughter of his friend and fellow herald, the antiquarian Sir William Dugdale.

* Sir William Culpeper, 4th Baronet ( 1668 – 1740 ), of the Culpeper baronets

* William Verney, 10th Baron Willoughby de Broke ( 1668 – 1683 )

* William Craven, 2nd Baron Craven ( 1668 – 1711 )

* William Sandys, 6th Baron Sandys ( c. 1626 – 1668 )

John Tarkington, Sr., his wife Prudence, their son John, Jr. and wife Martha, and their son William Joshua came to America in about 1668.

He also states that before the Duke of Chandos acquired it, the portrait was owned by Shakespeare's godson, William Davenant ( 1606 – 1668 ), who, according to the gossip chronicler John Aubrey, claimed to be the playwright's illegitimate son.

Among his works are a History of the Reformation, and a Life of Archbishop William Laud ( Cyprianus Anglicanus ) ( 1668 ).

* Cyprianus Anglicus ; or the history of the life and death of William Laud a 1662 ( 1668, 1671 )

In 1668, Wilkins proposed using Christopher Wren's suggestion of a pendulum with a half-period of one second to measure a standard length that Christiaan Huygens had observed to be 38 Rhineland or English inches ( 997mm ) in length.

The first mention of the natural logarithm was by Nicholas Mercator in his work Logarithmotechnia published in 1668, although the mathematics teacher John Speidell had already in 1619 compiled a table on the natural logarithm.

Cassini had observed the moons of Jupiter between 1666 and 1668, and discovered discrepancies in his measurements that, at first, he attributed to light having a finite speed.

In his book De Philosophia Cartesiana ( 1668 ) Bekker argued that theology and philosophy each had their separate terrain and that Nature can no more be explained from Scripture than can theological truth be deduced from Nature.

It was in part to pre-empt French objections to this outcome that in 1668, only three years after Charles II had ascended, the then-childless Leopold had agreed to partition Spanish territories between the Bourbons and the Habsburgs, even though Philip IV's will would have entitled him to the entire inheritance.

Although Portugal had substantially attained its independence in 1640, the Spanish continued to try to reassert their control for the next twenty-eight years, only accepting Portuguese independence in 1668.

In 1692, Quesnel published a book which he had been working on since 1668, Réflexions morales sur le Nouveau Testament ( Moral Reflections on the New Testament ), a devotional guide to the New Testament which laid out the Jansenist position in strong terms.

This arrangement was made official in the Treaty of Westminster of 1674, after the British had regained and again lost Suriname in 1667 and the Dutch regained the colony in 1668.

From 1661 until 1668 Wren's life was based in Oxford, although his attendance at meetings of the Royal Society meant that he had to make occasional trips to London.

Though lawyers argued that the House could intervene only after the lower courts had failed to remedy the case, the Lords decided in Skinner's favour in 1668.

Although England, the Dutch Republic and Sweden had signed a Triple Alliance against France in 1668 to prevent that country from occupying the Spanish Netherlands, Charles II of England signed the secret Treaty of Dover with France in 1670, entailing that England would join Louis XIV of France in a punitive campaign against the United Provinces.

He had to republish the book in 1668 since his property was destroyed in the Great Fire of 1666.

The experiments of Redi on the hatching of insects from eggs, which were published at Florence in 1668, first brought discredit upon this doctrine, though it had always a few eminent disciples.

It developed as a compendium ( with multiple authorship ) from Philosophical Considerations Touching the Being of Witches and Witchcraft ( 1666 ), addressed to Robert Hunt, a Justice of the Peace active from the 1650s against witches in Somerset ( where Glanvill had his living at Frome ); the 1668 version A Blow at Modern Sadducism promoted the view that the judicial procedures such as Hunt's court offered should be taken as adequate tests of evidence, because to argue otherwise was to undermine society at its legal roots.

It was also taken as a target when Francis Hutchinson set down An Historical Essay Concerning Witchcraft ( 1718 ); both books made much of reports from Sweden, and included by Glanvill as editor, which had experienced a moral panic about witchcraft after 1668.

He had secretly converted to Catholicism around 1668.

When Pufendorf went on to criticise a new tax on official documents, he did not get the chair of law and had to leave Heidelberg in 1668.

When Clarendon fell, he became the chief minister, even though he had previously held no high office except that of Master of the Horse, bought from the Duke of Albermarle in 1668.

While travelling from Cambridge to Ely, where he had been collated in 1668 by Sir Orlando Bridgeman to a prebendal stall, he caught a severe cold, and died at Ely.

Condé had fallen into disgrace as a former opponent of the King during the Fronde and was entrusted with a military command in 1668 for the first time in 9 years.

This was especially the case since Spain had in the meantime ( 13 February 1668 ) signed the Treaty of Lisbon with Portugal and could now concentrate on the war with France.

By 1668, a mid-15th century open hall-house which was originally in residential use had been converted into an inn called The Whyte Harte, later standardised to The White Hart.

The first true fortification of the dockyard was constructed between 1665 and 1668 although there had previously been a wall around it.

At his death in 1668, Duke of Lauderdale declared that the first Earl had no heirs-male, and had the crown seize all of his lands.