#p <nat>Italian<o>scholar<n>Severinus Boethius<b>480<d>525<c>Rome<info>Boethius was an advisor of king Theodoric. He translated many works into Latin. For unknown reasons, he fell out of favour with the king. During the winter of 524-525, he was imprisoned and tortured by Theodoric, and executed in 525.
#p <nat>Italian<o>scholar<n>Cassiodorus<b>490<d>585(10)<c>Rome<mov>523<c>Ravenna<info>Cassiodorus was appointed as advisor by Theodoric to replace his friend Boethius.
#p <nat>Ostrogoth<o>king<n>Theodoric<c>Ravenna<ac>493<d>526<info>Theodoric married a sister of Clovis.
#e <t>battle<d>406 Dec<c>Mainz<n>Barbarians cross Rhine<info>German barbarians crossed the Rhine at Mainz and overthrew the Roman garrison on the south side of the river. The Rhine had frozen solid, which was an uncommon occurence.
#e <t>migration<d>429<n>Vandals cross the Strait of Gibraltar<c>Strait of Gibraltar
#e <t>siege<d>430<n>Vandals besiege Hippo<c>Hippo<info>The siege lasted for 14 months.
#e <t>battle<d>451<n>Chalons-sur-Marne<info>Attila is defeated in this battle.
#e <t>period<n>The Middle Ages<d>476<e>1475(25)<c>Europe<info>The Middle Ages started with the fall of the Roman Empire, and lasted until the Renaissance.
// 6th century
#p <nat>Arabian<o>prophet<n>Mohammed<aka>Mahomet<b>570(1)<d>632 Jun 8<info>Mohammed began preaching in 610. He was forced to flee Mecca in 622, but by 630 had returned to conquer it.
#e <t>Islam<d>622 Jul 15<n>The Hegira<c>Mecca<info>Mohammed's flight from Mecca to Medina
#e <t>use<n>flaming "bombs" used in warfare<c>Byzantium<d>678
#e <t>battle<d>637<n>Sarcens take Jerusalem<c>Jerusalem
// 8th century
#p <nat>Persian<o>chemist<n>Jabir Ibn Haiyan<d>803<info>He is considered the father of modern chemistry. He developed techniques for the making of steel, dyeing of cloth, and the prevention of rust.
#e <t>use<n>waterwheels<c>Europe<d>700(20)
#e <t>battle<d>732<n>Battle of Tours<c>France<info>Commanded by the Merovingian king Charles Martel, also known as "the Hammer," the Franks defeated the Saracens at Tours, France. A Moslems invasion from Spain into France is prevented.
#e <t>use<n>pictorial books<c>Japan<d>765
// 9th century
#e <t>use<n>astrolabes<c>Arabia<d>850(10)
#e <t>use<d>879<n>A.D. dating system<info>The first civil use of the A.D. dating system was made by Charles III of Germany.
// 10th century
#p <nat>Persian<o>physicist<n>Abu Ali Hasan Ibn al-Haitham<aka>Alhazen<b>965<c>Baghdad
<info>Al-Haitham was known in the West as Alhazen. He is called the father of modern optics.
#p <nat>Persian<o>math<o>astronomer<n>Abul Wafa al-Buzjani<b>940<c>Baghdad<d>998 Jan(12)<info>migrated to Iraq in 959
#p <nat>Persian<o>astronomer<n>Abd al-Rahman al-Sufi<sur>Al-Sufi<b>903<d>986<c>Baghdad<info>Al-Sufi was known in the West as Azophi.
#e <t>pub<au>Al-Sufi<tit>Book of Fixed Stars<d>963<c>Persia
#e <t>use<n>crossbow<c>Europe<d>1000(20)
// 11th century
#p <nat>Persian<o>poet<o>mathematician<o>astronomer<n>Umar al-Khayyami<aka>Umar ibn Ibrahim al-Khayyami<b>1048(2)<d>1131<c>Isfahan<info>Al-Khayyami was called Omar Khayyam in the west, where he is best known as a poet. An accomplished astronomer, he made a very precise calculation of the tropical year, and proposed a solar calendar which would have been even more accurate than the Gregorian calendar, with eight leap years of 366 days every 33 years.
