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

* 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 )

* 1434 – Eleanor of Portugal, Holy Roman Empress ( d. 1467 )

* 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 )

He married at Chambéry on 1 November 1433 ( or 12 February 1434 ) Anne of Cyprus, a Princess and an heiress of Cyprus and Jerusalem ( she was the secondary heiress all her lifetime, as her niece Queen Charlotte of Cyprus outlived her ) and a daughter of King Janus of Cyprus.

He received a military education, which he refined as apostolic protonotary under Pope Martin V. The fighting bishop of Recanati from 1431, and afterwards made a cardinal, he was commander of the papal armies of Pope Eugene IV when the Colonna faction at Rome, infuriated by the reversal of their fortunes when Eugene succeeded Martin V ( a member of the Colonna ), backed an insurrection that raised a temporary republic at Rome and forced Eugene into exile at Florence in May 1434.

* 1433 – 1434 Arnold of Bergen ( unofficial ) ( Arend in Norwegian ; died 1434 ) was bishop of Bergen, Norway, and was never ordained as archbishop.

Arnold of Bergen () ( died 1434 ) was bishop of Bergen, Norway, and a non-ordained, short-lived Archbishop of Uppsala, Sweden.

Antonio Bonfini ( Latin variant: Antonius Bonfinius ) ( 1434 – 1503 ) was an Italian humanist and poet who spent the last years of his career as a court historian in Hungary with King Matthias Corvinus .< ref >

** 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: