1430s

The 1430s decade ran from January 1, 1430, to December 31, 1439.

Events

1430

1431

1432

1433

1434

1435

1436

  • Vlad II Dracul seizes the recently vacated throne of Wallachia, with Hungarian support.
  • 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 Masaccio, and his concepts of linear perspective and vanishing point in artwork.
  • Afonso Gonçalves Baldaia becomes the first European to explore the western coast of Africa, past the Tropic of Cancer.
  • Johannes Gutenberg begins work on the printing press.

1437

1438

  • Pachacuti becomes ruler of the Kingdom of Cusco and begins its expansion into the Inca Empire (Tahuantinsuyu).
  • At 95 years of age, Nang Keo Phimpha becomes queen of Lan Xang for a few months before being deposed and killed.
  • 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 prohibit all private silver mining in Zhejiang and Fujian provinces. This is a concerted effort to halt the increase of silver circulating into the market. The illegal mining of silver is now an offense punishable by death; although it becomes a dangerous affair, the high demand for silver also makes it very lucrative, and so many chose to defy the government and continue to mine.

1439

Significant people

Births

Deaths

References

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  2. ^ Franciscus (Scalamontius); Francesco Scalamonti; Dennis K. McDaniel; Charles Mitchell (1996). Vita Viri Clarissimi Et Famosissimi Kyriaci Anconitani. American Philosophical Society. p. 157. ISBN 978-0-87169-864-3.
  3. ^ Arthur Collins (1740). The Life and Glorious Actions of Edward, Prince of Wales... Thomas Osborne. p. 75.
  4. ^ Alessandra Strozzi (10 March 1997). Selected Letters of Alessandra Strozzi, Bilingual edition. University of California Press. p. 4. ISBN 978-0-520-91739-2.
  5. ^ Rumanian Review. Europolis Pub. 2004. p. 49.
  6. ^ Marshall Cavendish Corporation (2005). Explorers and Exploration. Marshall Cavendish. pp. 167–. ISBN 978-0-7614-7538-5.
  7. ^ Timothy Brook (September 1999). The Confusions of Pleasure: Commerce and Culture in Ming China. University of California Press. p. 20. ISBN 978-0-520-22154-3.
  8. ^ Kibler, William W.; Zinn, Grover A. (1995). Earp, Lawrence; Henneman, Jr., John Bell (eds.). Medieval France: An Encyclopedia. Psychology Press. p. 772. ISBN 9780824044442.
  9. ^ Hugh LeCaine Agnew (2004). The Czechs and the Lands of the Bohemian Crown. Hoover Press. p. 91. ISBN 978-0-8179-4492-6.
  10. ^ Carlo Zaghi (1973). L'Africa nella coscienza europea e l'imperialismo italiano (in Italian). Guida.
  11. ^ Randolph Starn (1 January 1982). Contrary Commonwealth: The Theme of Exile in Medieval and Renaissance Italy. University of California Press. p. 105. ISBN 978-0-520-04615-3.
  12. ^ The Universities of Italy: Fascist University Groups. Printing works of the Istituto italiano d'arti grafiche. 1934. p. 187.
  13. ^ Edwin Hall (1 January 1997). The Arnolfini Betrothal: Medieval Marriage and the Enigma of Van Eyck's Double Portrait. University of California Press. ISBN 978-0-520-21221-3.
  14. ^ Emmerson, Richard K. (2013). Key Figures in Medieval Europe: An Encyclopedia. Routledge. p. 23. ISBN 9781136775192.
  15. ^ King, Ross (2000). Brunelleschi's Dome. London: Chatto & Windus. ISBN 0-7011-6903-6.
  16. ^ Shara, M. M.; Iłkiewicz, K.; Mikołajewska, J.; Pagnotta, A.; Bode, M. F.; Crause, L. A.; Drozd, K.; Faherty, J.; Fuentes-Morales, I.; Grindlay, J. E.; Moffat, A. F. J.; Pretorius, M. L.; Schmidtobreick, L.; Stephenson, F. R.; Tappert, C.; Zurek, D. (2017). "Proper-motion age dating of the progeny of Nova Scorpii AD 1437". Nature. 548 (7669): 558–560. arXiv:1704.00086. Bibcode:2017Natur.548..558S. doi:10.1038/nature23644.
  17. ^ "Solving a 600-Year-Old Cosmic Mystery". August 30, 2017.
  18. ^ Palmer, Alan; Veronica (1992). The Chronology of British History. London: Century Ltd. ISBN 978-0-7126-5616-0.

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