This is a list of philosophy-related events in the 15th century.

Events

• 1433 – Baverius de Bonittis starts teaching philosophy and logic at the University of Bologna^[1]
• 1433 – Ambrogio Traversari completed his translation of Lives and Opinions of Eminent Philosophers^[2]

Publications

• 1433 – Lorenzo Valla publishes his much modified second edition of De voluptate (On Pleasure) while on sojourn in Pavia^[3]
• 1499 – Niccolò Machiavelli, Discorso sopra le cose di Pisa
• 1500 – Desiderius Erasmus, Collectanea Adagiorum

Births

• 1433 – Marsilio Ficino (d. 1499).^[4] Christian Neoplatonist, head of Florentine Academy and major Renaissance Humanist figure. First translator of Plato's complete extant works into Latin.
• 1433 – Nil Sorsky (d. 1508), Russian Hesychast^[5]
• c.1467 – Desiderius Erasmus (d. 1536).^[6]
• 1467 – John Major (or Mair) (d. 1550). Scottish logician^[7]

Deaths

• 1432 or 1433 – Ibn Turkah (Sa'in al-Din Turkah Isfahani), an influential Turcoman scholar and Sufist philosopher at the School of Isfahan, exiled by Tamerlane until the latter's death. The date of Ibn Turkah's death is uncertain; either 1432 or 1433.^[8]
• 1499 – Marsilio Ficino (b. 1433). See § Births