24 September

1054    Hermann of Reichenau (died), German composer, mathematician, and astronomer (born 1013) 1143    Pope Innocent II (died) 1180    Manuel I Komnenos, last Emperor of the Komnenian restoration dies. The Byzantine Empire slips into terminal decline. 1501    Gerolamo Cardano (born), Italian mathematician, physician, and astrologer (died 1576) 1541    Paracelsus (died), German-Swiss physician, botanist, and chemist (born… Continue reading

23 September

63 BCAugustus (born), Roman emperor (died 14) 1215    Kublai Khan (born), Mongolian emperor (died 1294) 1338   The Battle of Arnemuiden was the first naval battle of the Hundred Years’ War and the first naval battle using artillery, as the English ship Christofer had three cannon and one hand gun. 1568    Spanish naval forces rout an… Continue reading

22 September

1515     Anne of Cleves (born), (died 1557) 1547    Philipp Nicodemus Frischlin (born), German philologist, mathematician, astronomer, and poet (died 1590) 1554    Francisco Vásquez de Coronado (died), Spanish explorer (born 1510) 1566    Johannes Agricola (died), German religious reformer (born 1494) 1593    Matthäus Merian (born), Swiss-German engraver (died 1650) 1598    English playwright Ben Jonson kills an actor… Continue reading

21 September

19 BC  Virgil (died), Roman poet (born 70 BC) 1327    Edward II of England (died) (born 1284) 1415    Frederick III (born), Holy Roman Emperor (died 1493) 1452    Girolamo Savonarola (born), Italian priest and philosopher (died 1498) 1558    Charles V (died), Holy Roman Emperor (born 1500) 1576    Gerolamo Cardano (died), Italian mathematician, physician, and astrologer (born… Continue reading

20 September

480 BC  Greeks defeat Persians in the Battle of Salamis 1187    Saladin begins the Siege of Jerusalem. 1519    Ferdinand Magellan sets sail from Sanlúcar de Barrameda with about 270 men on his expedition to circumnavigate the globe. 1593    Gottfried Scheidt (born), German organist and composer (died 1661) 1596    Diego de Montemayor founds the city of… Continue reading