Owain Glyndŵr attacked Abergavenny in 1404.

The Hrvoje's Missal () from 1404 was written in Split, and it is considered one of the most beautiful Croatian Glagolitic books.

Leon Battista Alberti ( February 18, 1404 – April 20, 1472 ) was an Italian author, artist, architect, poet, priest, linguist, philosopher, cryptographer and general Renaissance humanist polymath.

Pope Boniface IX ( c. 1350 – 1 October 1404 ), born Piero Tomacelli, was the second Roman Pope of the Western Schism, from 2 November 1389 until his death.

Pope Innocent VII ( probably1339 – 6 November 1406 ), born Cosimo de ' Migliorati, was briefly Pope at Rome between 1404 and 1406 during the period of the Western Schism ( 1378 – 1417 ) while there was a rival Pope, Antipope Benedict XIII, at Avignon.

Migliorati was unanimously chosen – by eight cardinals – on 17 October 1404 and took the name of Innocent VII.

The emergence of these thinkers was attributed to the then rising notion in Renaissance Italy expressed by one of its most accomplished representatives, Leon Battista Alberti ( 1404 – 1472 ): that " a man can do all things if he will.

* Leon Battista Alberti ( 1404 – 1472 ) was an Italian author, artist, architect, poet, linguist, philosopher, and cryptographer, and general Renaissance humanist polymath.

He was also King of Bohemia, elected ( but never crowned ) King of Germany as Albert II, duke of Luxembourg and, as Albert V, archduke of Austria from 1404.

On Duke Albert's death in 1404, he was succeeded in the Netherlands by his eldest son, William.

Year 1404 ( MCDIV ) was a leap year starting on Tuesday ( link will display the full calendar ) of the Julian calendar.

In 1404 it was used to mean a machine to enable weaving thread into cloth.

Don Ruy Gonzáles de Clavijo, a Castilian ambassador, was probably the first European to visit Tehran, stopping in July 1404, while on a journey to Samarkand ( now in Uzbekistan ) the capital of Timur, who ruled Iran at the time.

Constantine XI Palaiologos, Latinized as Palaeologus (, Kōnstantinos XI Dragasēs Palaiologos ; 8 February 1404 – 29 May 1453 ) was the last reigning Byzantine Emperor.

Beaufort resigned that position in 1404 when he was appointed Bishop of Winchester on 19 November.

Philip the Bold (, ), also Philip II, Duke of Burgundy ( January 15, 1342, Pontoise – April 27, 1404, Halle ), was the fourth and youngest son of King John II of France and his wife, Bonne of Luxembourg.

It was then deposited in the choir of Chartreuse de Champmol on 16 June 1404.

By 1404 AD only the very base of the Mausoleum was still recognizable.

In January 1404, Percy was posthumously declared a traitor, and his lands were forfeited to the Crown.

Between 1404 and 1432 an unknown architect added the north and south ranges to the cloister, which was eventually closed by the western range by John Chapman, 1435 – 38.

Apparently it was in this period ( 1402 – 1404 ) that Brunelleschi and his friend Donatello visited Rome to study the ancient Roman ruins.

The last sovereign monarch of Smolensk was Yury of Smolensk ; during his reign the city was taken by Vytautas the Great of Lithuania on three occasions: in 1395, 1404, and 1408.

The Roland in Wedel was erected in 1450 as symbol of market justice, and the Roland statue in front of the town hall of Bremen ( 1404 ) is listed together with the town hall on the List of World Heritage Site from the UNESCO since 2004.

Due to negative propaganda by William of Austria and the Teutonic Knights, the marriage was not confirmed by Pope Urban VI ( 1378 – 1389 ); only Pope Boniface IX ( 1389 – 1404 ) declared it legitimate.

Vicenza came under rule of Venice in 1404, and its subsequent history is that of Venice.

Ostrów received town privileges in 1404 but the economic stagnation caused by fires, wars, and a weak 16th century nobility, led to the town ’ s officials dropping its town status in 1711.

In 1404 the Huangpu River shifted to its present course, entering the Yangtze River around Wusong ().

Money for its upkeep was left in local wills dated 1404 and 1492, a custom that continued into the 16th century.

A number of territories revolted against Vytautas, and Smolensk was retaken by its hereditary ruler, George of Smolensk and not re-conquered by Lithuanians until 1404.

At about the same time the chapter house and its vestibule were built, then Bishop Trevenant, who presided over the Bishopric from 1389 to 1404, rebuilt the south end and groining of the great transept.

The village and its surroundings were owned by a feudal lord ; the most famous of them was João das Regras ( died 1404 ), a lawyer and professor of the University of Lisbon that was involved in the ascension of King John I to power as the first King of the House of Aviz.

During the 1980s the station changed its name from Radio B to Campus Radio ( 1404 AM ), then back to Radio B, and then finally bFM.

Płośnica was first documented in 1351, while its church was first reported in 1404.

His own marriage took place on 11 November 1430, ( date of licence ), to ( as her third husband ) Alice ( 1404 – 1475 ), daughter of Thomas Chaucer of Ewelme, Oxfordshire, and granddaughter of the notable poet Geoffrey Chaucer and his wife Philippa ( de ) Roet.

Owain was crowned Prince of Wales in 1404 near the Parliament House, which is one of three mediæval houses in town, in the presence of leaders from Scotland, France and Spain, and he held his own Parliament in the town.

Shortly after his accession in 1404 Innocent VII took steps to keep his oath by proclaiming a council.

During the confusion after the death of Duke Albert IV in 1404 their situation worsened sharply, culminating in the blaze of the Vienna synagogue on 5 November 1406, followed by riots and lootings.

* October 22 – Ghiyasu'd-Din Naqqah, an envoy of the embassy sent by the Timurid ruler of Persia, Mirza Shahrukh ( r. 1404 – 1447 ), to the Ming Dynasty of China during the reign of the Yongle Emperor ( r. 1402 – 1424 ), records his sight and travel over a large floating pontoon bridge at Lanzhou ( constructed earlier in 1372 ) as he crosses the Yellow River on this day.

The Aeusser Amt, in 1404, then claimed that the banner and seal of Zug should be kept in one of the country districts and were supported in this claim by Schwyz.

* alt = 1384 – 1404: Count Palatine of Burgundy as Philip IV by jure uxoris

* alt = 1384 – 1404: Count of Artois as Philip IV by jure uxoris

* alt = 1384 – 1404: Count of Flanders as Philip II by jure uxoris

While undertaking study and excavations with Filippo Brunelleschi in Rome ( 1404 – 1407 ), work that gained the two men the reputation of treasure seekers, Donatello made a living by working at goldsmiths ' shops.

Christine de Pisan's biography, commissioned by Philip the Bold in 1404, is a source of most of the intimate details of the king's life of which we are aware, but also provides a moral example for his successors.

The priory's poor finances were improved in 1404 by a Papal indulgence obtained by Adam of Usk, who was buried beside the priory altar ; there is a brass monument to him in the church.

Triggered by the discovery in 2000 of an account entry of 1404 first mentioning the Bratwurst in Thuringia in the town of Arnstadt, the association " Friends of the Thuringian Bratwurst " was founded in 2006.

Gerhard VI died in 1404, and soon afterwards war broke out between his sons and Eric of Pomerania, Margaret's successor on the throne of Denmark, who claimed South Jutland as an integral part of the Danish monarchy, a claim formally recognised by the emperor Sigismund in 1424, it was not till 1440 that the struggle ended with the investiture of Count Adolphus VIII, Gerhard VI's son, with the hereditary duchy of Schleswig by Christopher III of Denmark.

* 1404 – Yoshimitsu is crowned Nippon Koku-Ō ( King of Japan ) by Emperor Yongle of China.

This was to be preceded by the conquest of the Kingdom of Naples, to which he had a nebulous claim through his paternal grandmother, Marie of Anjou ( 1404 – 1463 ).

In 1400 the Welsh prince Owain Glyndŵr rose in rebellion against English rule, and in response in 1404 100 marks was spent by the royal government improving the fortifications to protect Brecon in the event of a Welsh attack.

He was succeeded as Earl of Somerset by his son Henry Beaufort ( 1401 – 1418 ), but his early death left the title to his brother John Beaufort ( 1404 – 1444 ).