1430s

Millennium:	2nd millennium
Centuries:	14th century – 15th century – 16th century
Decades:	1400s 1410s 1420s – 1430s – 1440s 1450s 1460s
Years:	1430 1431 1432 1433 1434 1435 1436 1437 1438 1439
Categories:	Births – Deaths – Architecture Establishments – Disestablishments

1430s: events by year

Contents: 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439

January–December

• May 14 – The French first attempt to relieve the Siege of Compiègne.
• May 23 – Joan of Arc is captured by the Burgundians while leading an army to relieve Compiègne.
• June 14 – William Waynflete becomes vicar of Skendleby, Lincolnshire.
• July 11 – The Battle of Trnava, Hussite victory on the Hungarian-Moravian-Serbian army.

Date unknown

• The Ottoman Empire captures Thessalonica from the Venetians.
• The Order of the Golden Fleece is founded by Philip III, Duke of Burgundy to celebrate his marriage.
• Bratislava Castle is converted to a fortress under Sigismund of Luxemburg.
• Švitrigaila succeeds his cousin as ruler of Lithuania.
• Optical methods are first used in the creation of art.
• The Janissaries are created.
• Patras, capital of Achea, finally falls to the Byzantine Despotate of Morea.

January–December

• Spring – An Albanian revolt, led by Gjergj Arianit Komneni, breaks out against the Ottoman Empire and spreads through most of Albania.
• April – At the end of the Hook and Cod wars, Jacqueline, Countess of Hainaut and Holland is forced by Philip the Good, Duke of Burgundy, to abdicate all her estates in his favour, ending Hainaut and Holland as independent counties.
• June 1 – Battle of San Romano: Florence defeats Siena.
• August 31 – Sigismund Kęstutaitis attempts a capture or murder of Švitrigaila, his rival for the throne of the Grand Duchy of Lithuania. Švitrigaila manages to escape.
• December 8 – the first battle between the forces of Švitrigaila and Sigismund Kęstutaitis is fought near the town of Oszmiana (Ashmyany), launching the most active phase of the civil war in the Grand Duchy of Lithuania.

Date unknown

• The Université de Caen is founded.

January–December

• Winter – Much of the English town of Alnwick in Northumbria is burnt by a Scottish raiding party.
• September – Cosimo de' Medici, later the de facto ruler of Florence and patron of Marsilio Ficino, is exiled by the Albizzi/Strozzi faction. (Cosimo returns a year later, to the day, in 1434).

Date unknown

• The Ming Dynasty in China disbands their naval fleet after the last great maritime expedition led by Admiral Zheng He, altering the balance of power in the Indian Ocean and making it easier for Portugal and other Western naval powers to gain dominance over the seas.
• In Ming Dynasty China, cotton is listed as a permanent item of trade on the tax registers of Songjiang prefecture.

January–December

• April 14 – The foundation stone of Cathedral St. Peter and St. Paul in Nantes, France, is laid.
• May 30 – Hussite Wars – Battle of Lipany: The Catholics and Ultraquists defeat the Taborites, ending the Hussite Wars.
• June 19 or 20 – Zara Yaqob becomes Emperor of Ethiopia.
• July 10–August 9 – Suero de Quiñones and his companions stage the Passo Honroso at the Órbigo in León.
• September – Cosimo de' Medici returns to Florence one year, to the day, following his exile by the Alberti and Strozzi faction.
• October 19 – The University of Catania is founded in Italy.

Date unknown

• Jan van Eyck paints the Arnolfini Portrait.
• Explorer Gil Eanes reaches Cape Bojador in Western Sahara, thus destroying the legends of the "Dark Sea".
• Portuguese traders deliver their first cargo of African slaves to Lisbon.
• In Ming Dynasty China, a long episode of drought, flood, locust infestation, and famine cripple agriculture and commerce in areas throughout the country until 1448.

January–December

• January 11 – Sweden's first Riksdag of the Estates is summoned under Engelbrekt.
• August 5 - Battle of Ponza Alfonso V of Aragon captured at Genuezen
• September 1 – Battle of Pabaiskas ends a civil war between Grand Dukes Švitrigaila and Sigismund Kęstutaitis in the Grand Duchy of Lithuania
• September 21 – The Treaty of Arras between Charles VII of France and Philip III of Burgundy ends the English-Burgundian alliance.

Date unknown

• Francis of Paola founds the Order of the Minims in Italy.
• The Kingdom of Naples passes to Aragon.
• China returns to a policy of isolation.

January–December

• April – Paris is recaptured by the French.
• June 25 – The Incorporated Guild of Smiths is founded in Newcastle upon Tyne.
• July 5 – The Hussite Wars effectively end in Bohemia. Sigismund is accepted as King.
• August 30 – Brunelleschi's Dome at Florence Cathedral is dedicated.

Date unknown

• Alexandru I Aldea is replaced as ruler of Wallachia by Vlad II Dracul.
• The Bosnian language is first mentioned in a document.
• Date of the Visokom papers, the last direct sources on the old town of Visoki.
• In Ming Dynasty China, the inauguration of the Zhengtong Emperor takes place.
• In Ming Dynasty China, a significant portion of the southern grain tax is commuted to payments in silver, known as the Gold Floral Silver (jinhuayin). This comes about due to officials' and military generals' increasing demands to be paid in silver instead of grain, as commercial transactions draw more silver into nationwide circulation. Some counties have trouble transporting all the required grain to meet their tax quotas, so it makes sense to pay the government in silver, a medium of exchange that is already abundant amongst landowners through their own private commercial affairs.
• The Florentine polymath Leon Battista Alberti begins writing the treatise On Painting, in which he argues for the importance of mathematical perspective in the creation of three-dimensional vision on a two-dimensional plane. This follows the ideas of Massacio and his concepts of linear perspective and vanishing point in artwork.

January–December

• February 20 – James I of Scotland is stabbed.
• March 25 – In a ceremony in Holyrood Abbey, James II of Scotland is crowned at the age of six by Pope Eugene IV.
• April 23 – Malmö in Denmark (now Sweden) receives its current coat of arms.

Date unknown

• Ulugh Beg's Zij-i-Sultani star catalogue is published.
• The Kazan Khanate is established.
• Edinburgh is made the capital of Scotland.
• Sandside Chase in the north of Scotland: Clan Mackay defeat the Clan Gunn of Caithness.

January–December

• January 1 – Albert II of Habsburg becomes King of Hungary.
• March 18 – Albert II of Habsburg becomes King of Germany.
• July 7 – Charles VII of France issues the Pragmatic Sanction of Bourges, giving the French church control over the appointment of bishops and depriving the Pope of French ecclesiastical revenues.

Date unknown

• Eric of Pomerania, King of Sweden, Denmark and Norway, loses direct control of Sweden. Karl Knutsson Bonde is elected Regent of Sweden.
• Council of Florence is moved to Ferrara.
• Pachacuti (who will later create Tahuantinsuyu, or the Inca Empire) becomes the ruler of Cuzco.
• In Italy, the siege of Brescia by the condottieri troops of Niccolò Piccinino is raised after the arrival of Scaramuccia da Forlì.
• Just two years after the Ming Dynasty court of China allowed landowners paying the grain tax to pay their tax in silver instead, the Ming court now decides to close all silver mines and to ban all private silver mining in Zhejiang and Fujian provinces. This is a concerted effort to halt the increase of silver circulating into the market. Illegally mining silver is now an offense punishable by death; although illegal mining became a dangerous affair, the high demand for illegal mining also made it very lucrative, and so many chose to defy the government and continued to mine silver.
• All Souls College, University of Oxford is founded.

January–December

• May 4 – Battle of Grotnik: The Hussite movement is defeated in Poland.
• June 29 – supposed date of Venerable Macarius' Miracle of the Moose, according to Russian hagiographers.
• September 8 – Cardinal Giovanni Vitelleschi captures Foligno, ending Trinci's signoria.
• September 29 or October 1 – Eric of Pomerania, King of Sweden, Denmark and Norway is declared deposed in Sweden. Karl Knutsson Bonde continues to serve as Regent of Sweden.
• November 12 – In England, Plymouth becomes the first town incorporated by the English Parliament.

Date unknown

• Johannes Gutenberg develops printing with movable type at Mainz at about this date.
• Logabirum is mentioned for the first time.
• The Great Ordinance is adopted by the French Estates-General. This measure grants the king the exclusive right to raise troops, and establishes the taxation measure known as the taille in support of a standing army.
• Council of Florence is moved to Florence.