Year 1425 (MCDXXV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.
December 9 – The Catholic University of Leuven, Belgium is founded.
Beijing, capital of China, becomes the largest city in the world, taking the lead from Nanjing (estimated date).
By this year, paper currency in China is worth only 0.025% to 0.014% its original value in the 14th century; this and counterfeiting of copper coin currency will lead to a dramatic shift to using silver as the common medium of exchange in China.
Uprising by the Maltese against Don Gonsalvo Monroy, count of Malta. The insurgents repel an attempt by the Viceroy of Sicily to bring the island to order. The Maltese do not submit to Catalan-Aragonese rule until the Magna Charta Libertatis granting them their new rights is delivered to them.
Sharafuddin Ali Yazdi's critical history of Persia Zafar Nama is completed under the auspices of Mirza Ibrahim Sultan, grandson of Timur.
January 5 – Henry IV of Castile (d. 1474)
March 21 – Henry Beauchamp, 1st Duke of Warwick, English nobleman (d. 1445)
March 31 – Bianca Maria Visconti, Duchess of Milan (d. 1468)
April 30 – William III, Landgrave of Thuringia (1445–1482) and Duke of Luxembourg (1457–1482) (d. 1482)
October 14 – Alesso Baldovinetti, Italian painter (d. 1499)
November 18 – Kunigunde of Sternberg, first wife of the late King George of Podebrady (d. 1449)
date unknown
Edmund Sutton, English nobleman (d. 1483)
Krokodeilos Kladas, Greek military leader (d. 1490)
Xicotencatl I (d. 1522)
January 18 – Edmund Mortimer, 5th Earl of March, English politician (b. 1391)
February 27 – Vasili I of Russia, Grand Prince of Moscow (b. 1371)
March 17 – Ashikaga Yoshikazu, Japanese shogun (b. 1407)
May 24 – Murdoch Stewart, 2nd Duke of Albany, Scottish politician (b. 1362)
May 29 – Hongxi Emperor of China (b. 1378)
July 8 – Lady Elizabeth FitzAlan (b. 1366)
July 21 – Manuel II Palaeologus, Byzantine Emperor (b. 1350)
September 8 – King Charles III of Navarre (b. 1361)
date unknown
Madhava of Sangamagrama, Indian mathematician (b. 1350)
Margareta, Sami missionary (b. 1369)
Yi Jong Mu, Korean general (b. 1360)
Parameshvara, Indian mathematician (b. 1360)
1425 Wikipedia (Text) CC BY-SA