* Adrian von Bubenberg ( 1434 – 1479 ), Bernese knight, general and mayor

* 1434 – Janus Pannonius, Hungarian bishop, poet, and diplomat ( d. 1472 )

* 1434 – The foundation stone of Cathedral St. Peter and St. Paul in Nantes, France is laid.

After their suppression, Florence came under the sway ( 1382 – 1434 ) of the Albizzi family, bitter rivals of the Medici.

After the Council of Constance lured Jan Hus in with a letter of indemnity, then tried him for heresy and put him to death at the stake on 6 July 1415, the Hussites fought the Hussite Wars ( 1420 – 1434 ) for their religious and political cause.

* 1434 – Jogaila of Poland ( b. 1362 )

* 1434 – King Henry II of Castile ( d. 1379 )

" Other early works, Amator ( c. 1429 ), Ecatonfilea ( c. 1429 ), and Deiphira ( c. 1429 – 1434 ), dealt with love, virtues, and failed relationships.

* 1434 – Hussite Wars ( Bohemian Wars ): Battle of Lipany – effectively ending the war, Utraquist forces led by Diviš Bořek of Miletínek defeat and almost annihilate Taborite forces led by Prokop the Great.

* Mary of Guelders ( c. 1434 – 1463 ), daughter of Arnold, Duke of Guelders

* 1434 – King Louis III of Naples ( b. 1403 )

* Frescoes in the Capella dell ' Assunta ( c. 1434 – 1435 ) -

* Nun-Saint with Two Children ( c. 1434 – 1435 ) -

* 1434 – Yolande of Valois ( d. 1478 )

* 1420 – 1434: Hussite Wars in Bohemia

* November 26 – Yury Dmitrievich, Russian grand prince ( d. 1434 )

* August 2 – Kano Masanobu, chief painter of the Ashikaga shogunate ( b. 1434 )

* July 2 – Stephen the Great, Prince of Moldova ( b. 1434 )

# Margaret ( 1376 – 27 August 1434, Nancy ), married in 1394 to Charles II, Duke of Lorraine

* December 20 – Matteo Maria Boiardo, Italian poet ( b. c. 1434 )

* September 13 – Charles II, Duke of Bourbon ( b. 1434 )

* September 3 – Eleanor of Portugal, Empress ( b. 1434 )

* August 16 – Ashikaga Yoshikatsu, Japanese shogun ( b. 1434 )

Eleanor of Portugal ( 18 September 1434 – 3 September 1467 ) was Empress of the Holy Roman Empire.

Eleanor was born in Torres Vedras on 18 September 1434, one of the nine children of King Edward of Portugal and Eleanor of Aragon.

* Eleanor of Portugal, Holy Roman Empress ( 1434 – 1467 ), daughter of Edward I of Portugal and wife of Frederick III, Holy Roman Emperor

This square chapel was built between 1426 and 1434 by the architect Huguet on orders of King João I to become the first royal pantheon in Portugal.

In 1434, King Edward appointed Fernão Lopes as the first royal chronicler ( cronista-mor ) of the realm, and commissioned him to write historical accounts of the reigns of the Kings of Portugal.

Liechtenstein's borders have remained unchanged since 1434, when the Rhine established the border between the Holy Roman Empire and the Swiss cantons.

His title as duke of Lorraine was confirmed by his suzerain, Holy Roman Emperor Sigismund, at Basel in 1434.

The Utraquists eventually reunited with the Holy See and defeated the more radical Taborites and Orphans at the Battle of Lipany in 1434.

The Calixtines united with the Roman Catholics and destroyed the Taborites at the Battle of Lipany on ( 30 May 1434 ).

** John I, Duke of Bourbon ( d. 1434 )

** Wladyslav II Jagiello, Grand Duke of Lithuania and King of Poland ( d. 1434 )

** John I, Duke of Bourbon ( d. 1434 )

Expanded and improved over time, on 4 September 1434 it was seized by Charles VII of France, after its owner, Louis d ' Amboise, was convicted of plotting against Louis XI and condemned to be executed in 1431.

* probable-Juan Alfonso de Baena, troubadour ( d. c. 1434 )

* Euphemia Stewart, 2nd Countess of Caithness ( d. 1434 ) ( resigned 1390 )

Prokop or Prokop the Great () ( b. about 1380 at Hýlov near Tábor – d. 30 May 1434 at Lipany ) was one of the most prominent Hussite generals of the Hussite Wars.

* Joan Oldcastle, 4th Baroness Cobham ( d. 1434 )

: 1434 Yolande's son, Louis III d ' Anjou, died, and René became Duc d ' Anjou, as well as Heir to the titular claim to Sicily.

Duke Albert III married secondly Agnes of Brunswick-Lüneburg ( d. 22. 12. 1434 ).

* Secondly in 1433 or 1434, to Elizabeth Greyndour ( d. 1452 ), daughter and sole heiress of Robert Greyndour ( d. 1443 ) of Clearwell, Gloucestershire.

Sir Richard Waldegrave ( or Walgrave ), Knt., of Smallbridge, Suffolk, ( d. 2 May 1401 ), was member of parliament for Lincolnshire in 1335, and Speaker of the House of Commons in the reign of King Richard II ; his son, Sir Richard Waldegrave, Knt., ( d. 2 May 1434 ), styled Lord of Bures and Silvesters, was the victor of Conquet and the Isle of Rhé in Brittany in 1402.

In 1434, he married Cobella Ruffo ( d. 1442 ), Countess of Montalto and Corigliano, he had one son: