Science & Discovery in the 14th century

14 sourced entries, 1324 CE to 1396 CE, oldest first. Also see Science & Discovery across every century or everything else in the 14th century.

• 1324Artist Jean Pucelle is commissioned to make a book of hours, known as the Hours of Jeanne d'Evreux, by Joan of Évreux probably as a gift from her husband King Charles IV of France between 1324 and 1328.Francesource
• 1336Surviving portions of the Annals of Nenagh beginIrelandsource
• 1337Petrarch, "father" of Renaissance humanism, first visits Rome to wander its mysterious ruins, with an eye for aesthetics as well as for history, exciting a renewed interest in Classical civilisation.source
• 1345March 4 – Guy de Chauliac observes the planets Saturn, Jupiter, and Mars conjoined in the sky, under the sign of Aquarius, and a solar eclipse on the same day. This sign is interpreted as foreboding by many, and Chauliac will later blame it for the Black Plague.source
• 1352Moroccan traveller Ibn Battuta reports the existence of the ngoni and balafon musical instruments, at the court of Mansa Musa.source
• 1352Earliest surviving illustration of someone wearing spectacles, a fresco in the chapter house of the Dominican convent of San Nicolò, Treviso by Tommaso da Modena (anachronistically) depicting Hugh of Saint-Cher.source
• 1357The first public exhibition of the Shroud of Turin is recorded.source
• 1362Purported date of the inscription of the Kensington Runestone, at Solem, Minnesota.source
• 1366October 26 – Comet 55P/Tempel–Tuttle passes 0.0229 AU from Earth.source
• 1372The city of Aachen, Germany, begins adding a Roman numeral Anno Domini date to a few of its coins, the first city in the world to do so.source
• 1378November 10 – The first observation of Halley's Comet from Earth is made, based on an estimate from orbital calculations.source
• 1394December 6 – The astronomical clock of St. Nicholas Church in Stralsund is finished and signed by Nikolaus Lilienfeld.source
• 1395The Theotokos of Vladimir icon is moved to Moscow.source
• 1396November 24 – The Transit of Venus, the last not to be part of a pair, is possibly observed by Aztec astronomers.source