Text search
Related images
HistoryWorld
Link
Map Click the icons to visit linked content. Hover to see the search terms. |
| |
| | | | | | |
|
| 1 |
| | Christians decide (though not until AD 525) that this is the year of Christ's birth, making it AD 1 in the Christian chronology | |
| |
|
| c. 50 |
| | The Roman surgeon Cornelius Celsus describes in De Medicina how to cut stones from a patient's bladder | |
| |
|
| c. 150 |
| | Ptolemy writes in Alexandria an encyclopedic account of Greek scientific theory in cosmology, astronomy and geography | |
| |
|
| 158 |
| | A new doctor, Galen, is appointed to look after the gladiators at Pergamum | |
| |
|
| c. 800 |
| | The use of zero, essential in practical mathematics, is now familiar in India and is adopted in Baghdad | |
| |
|
| 801 |
| | Chia Tan produces an ambitious map for the emperor, some 30 by 33 feet in size, showing the entire T'ang empire | |
| |
|
| 921 |
| | The Jewish calendar, deriving originally from the example of Babylon, is given its lasting form | |
| |
|
| c. 950 |
| | Medieval Europe's first institute of higher education is established, with the founding of the medical school at Salerno | |
| |
|
| c. 1000 |
| | The first illustrated manual of surgery is written by Abul Kasim, an Arab physician in Cordoba | |
| |
|
| c. 1040 |
| | A Chinese manual on warfare includes the earliest known description of gunpowder | |
| |
|
| | | | |
|