The Duke of York converted to Roman Catholicism in 1668 or 1669, but Mary and Anne were brought up as Anglicans, pursuant to the command of Charles II.

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.

He used the weak position of Charles to force him into the Triple Alliance of 1668 which again forced Louis to temporarily abandon his plans for the conquest of the Southern Netherlands.

** Philippe Charles, Duke of Anjou ( 1668 – 1671 ), Duke of Anjou, son of Louis XIV

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.

The reason why the king is on the bill is because the Bank of Sweden was founded in 1668, during Charles ' reign.

His career advanced further when in 1668 Churchill sailed for the North African outpost of Tangier, recently acquired as part of the dowry of Charles II's Portuguese wife, Catherine of Braganza.

Karnak (" Carnac ") as a village name, and name of the complex, is first attested in 1668, when two capuchin missionary brothers Protais and Charles François d ' Orléans travelled though the area.

Between the destruction by Charles, Duke of Guelders in 1504 and that brought by Louis XIV ’ s wars around 1700, Wavre would know several debilitating crises, either at the hand of foreign armies ( e. g., the Spanish in 1604 ) or because of epidemics ( 1624 – 1625, 1668 ) or major fires ( April 28, 1695 and July 17, 1714 ).

James granted further charters in 1608 and 1614, as did Charles II in 1668 and 1684.

Upon his return to London in 1668 he was elected a Fellow of the Royal Society, before travelling to St Andrews in late 1668 to take up his post as the first Regius Chair of Mathematics, a position created for him by Charles II, probably upon the request of Robert Moray.

In the case of Charles II, the regnal year is calculated from the execution of Charles I, so 1668 is, the twentieth year of the reign.

The five guinea coin was produced in each year of Charles II's reign from 1668 to 1684 ; before 1670 the weight limits were 41-42 grams, afterward 41. 0 – 41. 8 grams.

In 1668 an area of the Poulteney estate known as Sandpit Field was surrendered to Charles II, who made the bulk of the land into a Royal Park, as " Upper St James's Park " and enclosed it with a brick wall.

Generations later, Benjamin Chew's great-great-grandfather, John Chew ( 1587 – 1668 ), a successful merchant, arrived in Jamestown in 1622 on the ship Charitie ; he was granted of land in Charles River ( York ) County, Virginia.

Bombay island, not far from Surat, a former Portuguese outpost gifted to England as dowry in the marriage of Catherine of Braganza to Charles II, was leased by the Company in 1668.

Charles Couperin ( known as " Couperin-cadet ") succeeded Louis as organist at St. Gervais and, in 1668, produced an only child, François Couperin le Grand, who became one of the most important French composers of the late Baroque era.

* Charles Dormer, 5th Baron Dormer ( 1668 – 1728 )

She divided her property, for that time a large one, between her natural sons, the first by Arthur Mainwaring ( 1668 – 1712 ) who had left her and his son half his fortune on his death and the second by Lieutenant-General Charles Churchill ( d. 1745 ).

In 1663 he was appointed ambassador to Russia, Sweden and Denmark, and in 1668 he carried the Garter to Charles XI of Sweden.

Charles Howard ( 5 September 1668 – 3 April 1670 )

Following restoration of the monarchy and the Act of Uniformity under Charles II, which cost Taylor his teaching position, he emigrated in 1668 to the Massachusetts Bay Colony in America.

# John Casimir (; 22 May 1609 1672 ), reigned 1648 – 1668 as John II Casimir Vasa of Poland

With the abdication of King John II Casimir of Poland as the last Duke of Opole in 1668, the region passed to the direct control of the Habsburgs.

* John II Casimir ( 1648 – 1668 )

On 16 September 1668, John II Casimir abdicated the Polish – Lithuanian throne, and returned to France, where he joined the Jesuits and became abbot of Abbey of Saint-Germain-des-Prés in Paris.

Before 1668 Biber worked at the court of Prince Johann Seyfried von Eggenberg in Graz, and then was employed by the Bishop of Olomouc, Karl II von Liechtenstein-Kastelkorn, in Kroměříž.

The Polish – Lithuanian King John II Casimir ( reigned 1648 – 1668 ) lacked support amongst the Commonwealth nobility ( szlachta ) due to his sympathies with absolutist Austria and his open contempt for the " Sarmatist " culture of the nobility.

***** Johann Jacob Bach II ( 1668 – 1692 )

* Louis II ( Louis II ) ( 1668 – 1710 )

The Cabal Ministry refers to a group of high councillors of King Charles II of England, Scotland and Ireland from 1668 to circa 1674.

On his return from Ottoman territory in June 1668, King Charles II remarked to Finch, " My Lord, you have not only built a town, but peopled it too ".

The next royal letter, dated 18 November 1668, says that Charles II had sent his son back to Rome to act as his unofficial ambassador to the Holy See and he would later return to London when he had received answers to questions the king was willing to deliver only orally.

# John Casimir ( 1609 – 1672 ), ( reigned 1648 – 1668 as John Casimir II Vasa of Poland )

On the restoration of King Charles II, Daniel Blagrave fled the country and settled at Aachen, in what is now Germany, where he died in 1668.

* Beverly incorporated 1668 from Salem.

** Bradford incorporated 1668 from Rowley.

The " Thirty Miles Island " referred to in the constituting Act was incorporated as the town of Haddam in 1668.

Because of religious differences with Governor John Endicott, Beverly would be set off and officially incorporated in 1668, when it was named " Beverley " after Beverley in Yorkshire, England.

Isaac Newton is credited with building the first " practical " reflector in 1668 with a design that incorporated a small flat diagonal mirror to reflect the light to an eyepiece mounted on the side of the telescope.

In 1668, the township was officially incorporated with the name Sowams ; in 1691, the Plymouth Colony merged with the Massachusetts Bay Colony.

In 1668, Girvan became a municipal burgh incorporated by charter.

Among those that still exist, the Society of Writers to Her Majesty's Signet ( WS Society ) was formally established in 1594 and the Royal Faculty of Procurators in Glasgow was incorporated before 1668.