* 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.

While Wesley freely made use of the term " Arminian ," he did not self-consciously root his soteriology in the theology of Arminius but was highly influenced by 17th-century English Arminianism and thinkers such as John Goodwin, Jeremy Taylor and Henry Hammond of the Anglican " Holy Living " school, and the Remonstrant Hugo Grotius.

In 1158 a feud with Henry's son, Henry the Lion, Duke of Saxony, was interrupted by a pilgrimage to the Holy Land.

* 1111 – Henry V is crowned Holy Roman Emperor.

At Christmas 1196, Holy Roman Emperor Henry VI attempted to force Alexios III to pay him a tribute of 5, 000 pounds ( later negotiated down to 1, 600 pounds ) of gold or face invasion.

Among their children, four lived to maturity: Henry, born in 952 ; Bruno, born 953 ; Matilda, the first Princess-Abbess of Quedlinburg, born about 954 ; and Otto II, later Holy Roman Emperor, born 955.

In 1007, Holy Roman Emperor Henry II made Bamberg a family inheritance, the seat of a separate diocese.

In 1122, Henry V, Holy Roman Emperor entered into an agreement with Pope Calistus II known as the Concordat of Worms.

The Concordat of Worms, sometimes called the Pactum Calixtinum by papal historians, was an agreement between Pope Calixtus II and Holy Roman Emperor Henry V on September 23, 1122 near the city of Worms.

Following efforts by Lamberto Scannabecchi ( later Pope Honorius II ) and the Diet of Würzburg ( 1121 ) in 1122, Pope Calixtus II and Holy Roman Emperor Henry V entered into an agreement that effectively ended the Investiture Controversy.

Gregory VII appeared to have succeeded when the emperor Henry IV, Holy Roman Emperor was humiliated at Canossa in 1077.

Henry IV, Holy Roman Emperor was one of those monarchs who found himself excommunicated.

On Palm Sunday, 1084, Henry IV solemnly enthroned Clement at St. Peter ’ s Basilica and on Easter Day, Clement returned the favor and crowned Henry IV as Emperor of the Holy Roman Empire.

Henry V was crowned by Pope Paschal II as the legitimate Holy Roman Emperor.

The struggle over investiture between Pope Gregory VII and Henry IV, Holy Roman Emperor had dramatized the clash between church and state.

** Liber ad honorem Augusti by Peter of Eboli, narrative of the conquest of Sicily by Henry VI, Holy Roman Emperor ( Latin )

Empress Matilda ( 1102 – 1167 ) is the only British monarch commonly referred to as " emperor " or " empress ", but acquired her title through her marriage to Henry V, Holy Roman Emperor, and had little legitimacy as Queen of England.

* 1014 – Pope Benedict VIII crowns Henry of Bavaria, King of Germany and of Italy, as Holy Roman Emperor.

* 1076 – Pope Gregory VII excommunicates Henry IV, Holy Roman Emperor.

* 1102 – Empress Matilda, Princess of England and wife of Henry V of the Holy Roman Empire ( d. 1169 )

During Guido's tenure in this office, Paschal II yielded to the military threats of Henry V, Holy Roman Emperor, and was induced to issue the Privilegium in the year 1111.

The latter did not seem to have been pleased with Guido ’ s bold and forward attacks upon Henry V, Holy Roman Emperor.

Burdinus had already been deposed and excommunicated because he had crowned Henry V and the Holy Roman Emperor in Rome in 1117.

In the interest of conciliation, even the papal embassy was received by Henry V, Holy Roman Emperor at Strasburg.