#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<info>Mohammed began preaching in 610.
#e <t>use<n>flaming "bombs" used in warfare<c>Byzantium<d>678
#e <t>islam<d>622 Jul 15<n>The Hegira<c>Mecca<info>Mohammed's flight from Mecca to Medina
#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>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