* 1593 – Pierre Barrière fails in his attempt to assassinate King Henry IV of France.

* 1503 – King James IV of Scotland marries Margaret Tudor, daughter of King Henry VII of England at Holyrood Abbey in Edinburgh, Scotland.

* 1572 – Marriage in Paris, France of the Huguenot King Henry IV of Navarre to Margaret of Valois, in a supposed attempt to reconcile Protestants and Catholics.

Bilingual Franco-Turkish translation of the 1604 Franco-Ottoman alliance | Franco-Ottoman Capitulations between Sultan Ahmed I and Henry IV of France, published by François Savary de Brèves in 1615.

* 1598 – Henry IV of France issues the Edict of Nantes, allowing freedom of religion to the Huguenots.

Although some sources state that Ealdred attended the coronation of Emperor Henry IV, this is not possible, as on the date that Henry was crowned, Ealdred was in England consecrating an abbot.

He enhanced this by bribing the German king Henry IV with 360, 000 gold pieces to attack the Normans in Italy, which forced the Normans to concentrate on their defenses at home in 1083 – 1084.

In 1474, King Henry IV of Castile died without a male heir.

Isabella died in 1455 and Afonso married again ( although not recognized by the Papacy ) in 1475, this time to Joanna of Castile ( known as " La Beltraneja "), daughter of Henry IV of Castile and Joan of Portugal.

This marriage was an attempt to inherit the throne of Castile as Joan was the sole daughter of Henry IV.

* Alfonso of Castile, Prince of Asturias, figurehead of rebelling magnates against his brother King Henry IV of Castile.

The reigns of King Przemysł II of Poland ( 1296 ), William the Silent of the Netherlands ( 1584 ), and the French kings Henry III ( 1589 ) and Henry IV ( 1610 ) were all ended by assassins.

In 1600, after the Treaty of Vervins, conflict returned between Henry IV of France and Savoy, and Lesdiguières retook Barcelonnette until the conclusion of the Treaty of Lyon on 17 January the following year.

Warbeck was proclaimed King Richard IV in Bodmin but Henry had little difficulty crushing the uprising.

He thus broke allegiance with Philip and assembled a broad coalition including Emperor Otto IV, King John I of England, Duke Henry I of Brabant, Count William I of Holland, Duke Theobald I of Lorraine, and Duke Henry III of Limburg.

Oliver Wendell Holmes, Jr. in his famous article, " The Path of the Law ", commented, " It is revolting to have no better reason for a rule of law than that so it was laid down in the time of Henry IV.

Some notable collectors were Pope Boniface VIII, Emperor Maximilian of the Holy Roman Empire, Louis XIV of France, Ferdinand I, Henry IV of France and Elector Joachim II of Brandenburg, who started the Berlin Coin Cabinet ( German: Münzkabinett Berlin ).

* then to Henry III of Navarre, who became Henry IV of France, of the House of Bourbon, a cadet branch of the Capetian dynasty.

** Henry IV ( 1589 – 1610 )

* Henry IV ( 1589 – 1610 )

By the time of Henry IV, bargaining by the peasants for the benefit of the group was the norm.

In 1597 Oxford's servant, Henry Lok, published his Ecclesiastes containing a sonnet to Oxford.

Henry IV's friendship was of essential importance to the Papacy two years later, when Alfonso II, Duke of Ferrara, died childless ( 27 October 1597 ), and the Pope resolved to attach the stronghold of the Este family to the states of the Church.

* Sir Henry Lee of Ditchley 1590 – 1597

* Henry FitzGerald, 12th Earl of Kildare ( 1562 – 1597 ), second son of the 11th Earl, died without male issue

Henry Danvers, 1st Earl of Danby | Henry Danvers, Earl of Danby was outlawed in 1597 by a coroner's court for the murder Henry Long.

The Office of Ordnance was created by Henry VIII of England in 1544 and became the Board of Ordnance in 1597, its principal duties being to supply guns, ammunition, stores and equipment to the King's Navy.

Henry IV, Part 1 is a history play by William Shakespeare, believed to have been written no later than 1597.

1 Henry IV was almost certainly in performance by 1597, given the wealth of allusions and references to the Falstaff character.

At its first publication in 1597 or 1598 the play was titled The History of Henrie the Fourth and its title page advertised only the presence of Henry Percy and the comic Sir John Falstaff ; Prince Hal was not mentioned.

Henry IV, Part 1 caused controversy on its first performances in 1597, because the comic character now known as " Falstaff " was originally named " Oldcastle " and was based on John Oldcastle, a famous Protestant martyr with powerful living descendants in England.

These were the Lords Cobham: William Brooke, 10th Baron Cobham ( died 6 March 1597 ), was Warden of the Cinque Ports ( 1558 – 97 ), Knight of the Order of the Garter ( 1584 ), and member of the Privy Council ( 1586 – 97 ); his son Henry Brooke, 11th Baron Cobham, was granted the paternal post of Warden of the Cinque Ports upon his father's death, and made a Knight of the Order of the Garter in 1599.

During the years 1597 to 1602 he collaborated in many plays with Henry Chettle, Thomas Dekker, John Day, Richard Hathwaye and Wentworth Smith.

Either Henry VII or his son and successor Henry VIII may have caused a somewhat more elaborate version of the imperial crown to be made, which is first described in detail in an inventory of royal jewels in 1521, and again in 1532, 1550, 1574, and 1597, and was carefully depicted in a painting by Daniel Mytens of King Charles I in 1631.

He raised a company of men following a call to arms by Queen Elizabeth, and served in the army of King Henry IV of France during the French Wars of Religion, and was present at the 1597 Siege of Amiens.

The genesis of Sir John Oldcastle is crucially linked to the fact that when Shakespeare's Henry IV plays premiered on stage in 1597 – 98, the character Sir John Falstaff was called Sir John Oldcastle.

These were the Lords Cobham: William Brooke, 10th Baron Cobham ( died 6 March 1597 ), was Warden of the Cinque Ports ( 1558 – 97 ), Knight of the Order of the Garter ( 1584 ), and member of the Privy Council ( 1586 – 97 ); his son Henry Brooke, 11th Baron Cobham, was granted the paternal post of Warden of the Cinque Ports upon his father's death, and made a Knight of the Order of the Garter in 1599.

Soon after the premier of Shakespeare's Oldcastle / Falstaff in 1597 – 98, literary and dramatic works began to appear that defended the reputation of the historical Oldcastle ; scholars argue that the muse that inspired these works was Henry Brooke, 11th Baron Cobham.

It is theorised that Shakespeare interrupted his composition of Henry IV, Part 2 somewhere around Act 3-Act 4, so as to concentrate on writing Merry Wives of Windsor, which may have been commissioned for an annual meeting of the Order of the Garter, possibly the one held on 23 April 1597.

It was first created in 1597 as a peerage for Gabrielle d ' Estrée, Marquesses of Monceaux, the mistress of King Henry IV, with a remainder to their illegitimate son César of Bourbon-Vendôme, later also Duke of Vendôme.

The Blessed Henry Abbot was an English layman, himself a convert from the Church of England, who was executed at York on 4 July 1597 for the alleged attempt to convert someone to the Catholic Church, which had been declared an act of treason under the Penal law enacted under Queen Elizabeth I.

John Davenport was born in 1597 to draper and Mayor of Coventry Henry Davenport and Winifred Barnaby.